Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Mental and Behavioral Health Conditions

  • Many people are affected by mental health problems such as depression or panic disorders. These problems can make it harder to think clearly, manage how you feel, and work with other people. Sometimes you may feel helpless and hopeless. But you're not alone. Talking with others who suffer from these problems may help...

  • Impulsivity Impulsivity refers to acting without thinking first. Impulsivity in a person who has attention deficit hyperactivity disorder (ADHD) is highly likely to continue into adulthood. People with symptoms of impulsivity often: Are impatient...

  • Dyslexia may occur with other learning or emotional problems. Some of the conditions associated with dyslexia may be the result of the way the child's brain was formed or how it functions. Some of the emotional problems that a child with dyslexia can have are due to frustrations and failures at school and home. But keep...

  • Anger signals your body to prepare for a fight. This reaction is commonly classified as "fight or flight." When you get angry, adrenaline and other hormones are released into the bloodstream. Then your blood pressure goes up, your heart beats faster, and you breathe faster. Many people mistakenly believe that anger...

  • What is antidepressant withdrawal? Antidepressant withdrawal is a problem that can happen if you stop taking your antidepressant too quickly. It can make you feel sick. This problem is sometimes called "antidepressant discontinuation syndrome" or "SSRI discontinuation syndrome." The symptoms may be...

  • Discover how your antidepressant can make life better and how to make it easier to take.

  • This questionnaire—called the GAD-7 screening tool—can help you find out if you might have an anxiety disorder that needs treatment. It calculates how many common symptoms you have and—based on your answers—suggests where you might be on a scale, from mild to severe anxiety. GAD-7 stands for "generalized anxiety...

  • "When you hear the word 'cancer,' the worry begins. Am I going to survive this? How is it going to affect my family? I couldn't seem to focus on anything except cancer, and I felt like I'd lost control of my own thoughts. A friend suggested starting a journal, and I found that writing out my thoughts allowed me to let...

  • Joan figured she would need months to recover physically from the heart attack 2 years ago that led to her heart failure. She didn't realize she would need just as much time to recover emotionally. "I was only 52 when I had the heart attack," she says. "Heart disease runs in my family, but I thought I'd been taking...

  • Nonverbal learning disorder is a learning disorder that has many traits commonly associated with autism spectrum disorder. Like those with autism spectrum disorder (ASD), children with nonverbal learning disorder usually start to talk around 2 years...

  • Some mood disorders are characterized by manic episodes, periods of abnormally high energy. Behavior may be diagnosed as a manic episode if: An abnormal and continuously elevated (happy or energetic) mood or an irritable mood occurs and lasts at...

  • Looks at illness that causes extreme mood swings, ranging from mania (feeling overly energetic) to depression. Also called manic-depressive disorder. Covers treatment with counseling and medicines like mood stabilizers, antipsychotics, and antidepressants.

  • Covers how mental health problems can affect your relationships. Looks at the stigma of mental health problems. Offers ways to help others understand. Covers how to get help. Includes links to info on specific disorders like depression, OCD, or PTSD.

  • You may feel frustrated around a person with bipolar disorder who is having a manic episode. The high energy level can be tiring or even frightening. The person may also actually enjoy the mania and may not take medicines, which can prolong the...

  • Hypomanic episodes can occur in people who have mood disorders. Hypomanic episodes are less severe than manic episodes, although a hypomanic episode can still interfere with your ability to function properly. Hypomania may be diagnosed if: A...

  • Omega-3 fatty acids are found in marine or plant sources, such as fish oil and flaxseed oil. A few studies suggest that adding omega-3 fatty acids to medicine (such as lithium) can help reduce the depressive symptoms of bipolar disorder in some people. Omega-3 fatty acids don't seem to have an effect on the manic...

  • The more you know about bipolar disorder, the better you will be able to cope with this lifelong illness. There are many steps that you can take—or help a loved one take—to recognize and better manage manic episodes. Learn the warning signs of a manic episode, and get early treatment to avoid disruption in your life...

  • What is aggression? Everyone gets angry sometimes, even small children. But some children and teens have so much trouble controlling their anger that they shove, hit, or make fun of other people. This causes them trouble at home and at school. They often have a hard time making friends. And their aggression makes...

  • What are temper tantrums? If you have a young child, you probably know what temper tantrums are. Experts define them as sudden, unplanned displays of anger or other emotions. During a tantrum, children often whine, cry, or scream. They may also swing their arms and legs wildly or hold their breath. Anyone can have...

  • Being a parent of a child with physical, emotional, or behavioral problems can be exhausting. Try to take good care of your physical and emotional health. Doing so will help provide you with needed energy to care for your child with special needs....

  • Many medicines can cause changes in how we feel. Some can cause symptoms of depression. These include: Blood pressure medicines, such as clonidine (Catapres). Barbiturates. Some examples are pentobarbital (Nembutal), phenobarbital, and secobarbital...

  • The U.S. Preventive Services Task Force recommends that all people, starting at age 12, be screened for depression. Screening for depression helps find depression early. And early treatment may help you get better faster. Depression is a disease....

  • See how family and friends helped three people cope with depression.

  • Covers how mental health problems can affect your relationships. Looks at the stigma of mental health problems. Offers ways to help others understand. Covers how to get help. Includes links to info on specific disorders like depression, OCD, or PTSD.

  • Discover how your antidepressant can make life better and how to make it easier to take.

  • Learn how electroconvulsive therapy is done and what the benefits are.

  • Learn to check your mood for warning signs that depression may be coming back.

  • Learn about physical symptoms that may be linked to depression.

  • See how depression can affect relationships and why treatment matters.

  • Learn how tracking your mood can help you manage depression.

  • Learn how depression medicines work to help you feel better.

  • Learn how depression medicines balance chemicals in your brain to help you feel better.

  • Find out just how common depression is and why treatment matters.

  • Get a brief introduction to the ways depression can be treated.

  • Learn how to use your inner strengths to get through tough times and overcome challenges.

  • You are not alone in feeling down. Hear from others who have depression.

  • Hear from others who have repeated bouts of depression.

  • You can make it through your depression. Hear from people who have recovered from depression.

  • Learn how depression medicines can help and why it may take time to find the right medicine for you.

  • Learn how working with the right counselor can help treat depression.

  • Learn how keeping your mood healthy can also help keep your heart healthy.

  • Ravi thought he was coping well with his back pain. He had gotten used to having pain most days since he hurt his back in college while playing rugby. He figured some amount of pain would always be part of his life. But over a couple of months, Ravi stopped going out with friends after work. He didn't go on bike rides...

  • Learn how to deal with common side effects of depression medicines.

  • Learn why it's important to work with your doctor when stopping depression medicines.

  • Covers when feelings of sadness or anxiety may indicate need for treatment for depression. Offers tips to help with depression. Explains emergency symptoms, like talk about suicide. Includes interactive tool to help you decide when to call a doctor.

  • You may be depressed if you have at least five of these symptoms for 2 weeks or longer, and one of the symptoms is either sadness or loss of interest. You feel sad or hopeless. You lose interest in or stop getting pleasure from most daily activities. You lose or gain a lot of weight because of changes in how hungry...

  • It is common for a person who has had a stroke to feel sad and become depressed about the disabilities caused by the stroke. Sometimes the injury to the brain from the stroke can cause depression. Depression is a serious condition that needs...

  • Briefly discusses St. John's wort, an herbal dietary supplement used to treat mild to moderate depression. Covers possible side effects and safety issues.

  • Discusses causes and symptoms like sadness and feelings of helplessness. Covers related illnesses like bipolar disorder and SAD. Looks at treatment with medicines, counseling, and lifestyle choices. Discusses suicidal thoughts and when to call a doctor.

  • There is a link between depression and coronary artery disease. People with heart disease are more likely to get depression. And if a person has both depression and heart disease, they may not stay as healthy as possible. They are less likely to...

  • Depression is different from normal sadness. Depression is not simply feeling sad. Depression is a disorder with specific symptoms that can be diagnosed and treated. For every 10 patients diagnosed with cancer, about 2 patients become depressed. The numbers of men and women affected are about the same. A person...

  • Provides guidelines to reduce problems and get the most benefit from taking antidepressants. Covers what you need to know about antidepressants, side effects, and risks. Covers how to take medicine wisely.

  • Discusses dealing with side effects of antidepressants. Links to more info on medicines, including selective serotonin reuptake inhibitors (SSRIs) and tricyclic antidepressants. Explains reasons to take medicine. Includes a warning to watch for serious side effects.

  • Helps you assess whether you have depression. Tool calculates how many common symptoms you have. Based on your answers, shows where you fall on a depression scale. Helps you find out if you might need treatment. Offers link to extensive info on depression.

  • Electroconvulsive therapy (ECT) is a procedure used to treat severe depression. It may be used in people who have symptoms such as delusions, hallucinations, or suicidal thoughts or when other treatments such as psychotherapy and antidepressant medicines have not worked. It is also used for other psychiatric and...

  • Sometimes depression in children and teens may be triggered by or result in conflict within the family. Family conflict can trigger depression symptoms or make them worse. And family therapy aimed at correcting these issues can improve the outcome. But this type of counseling used alone has not been proved effective for...

  • Recovering from a heart problem means not only getting back your physical strength but also getting back your emotional and mental well-being. Having a positive outlook during your recovery and rehabilitation is necessary to help you recover physically, emotionally, and mentally. Remember that you are going to start...

  • Guides through decision to take antidepressants for depression. Covers symptoms of depression. Lists reasons for and against antidepressants. Covers side effects. Looks at other treatments to try. Includes interactive tool to help you make your decision.

  • Read the following information to help you decide whether you might have depression. It does not take the place of a doctor's diagnosis. Depression causes you to feel sad or hopeless much of the time. It's different from normal feelings of sadness,...

  • Guides you through deciding whether your child should take medicines for depression. Offers reasons for and against. Covers side effects, including possible increase in suicidal thoughts. Includes interactive tool to help you make your decision.

  • Joan figured she would need months to recover physically from the heart attack 2 years ago that led to her heart failure. She didn't realize she would need just as much time to recover emotionally. "I was only 52 when I had the heart attack," she says. "Heart disease runs in my family, but I thought I'd been taking...

  • Depression is an illness that makes a person feel sad or hopeless much of the time. It's different from feeling a little sad or down. Depression can be treated with counseling or medicine, or both. Healthy thinking also can help prevent or control depression. If you have thoughts of harming yourself or others, you...

  • Unwanted thoughts can make you feel anxious or depressed. They may keep you from enjoying your life. A technique called thought-stopping can help you stop unwanted thoughts. What you think can affect how you feel. Thought-stopping helps you change how you think so that you feel better. Changing your thinking will...

  • If someone you care about has been diagnosed with depression, you may feel helpless. Maybe you're watching a once-vibrant person slide into inactivity or seeing a good friend lose interest in activities that he or she used to enjoy. The change in your loved one's or friend's behavior may be so great that you feel you no...

  • People's ideas about depression have changed over the years. New technology and new research show that depression is a disease, just like asthma or heart failure. Here are some myths and facts about depression. Myth Fact "Depression isn't real." "It's something in your head." "It's being lazy." Depression is...

  • Your loved one or friend doesn't seem the same. You thought it was the blues, but it's been going on for weeks. And it seems much worse than that. Is your friend grieving over something? Or could it be depression? If you want to learn more about grieving, see the topic Grief and Grieving. If you think someone close...

  • It's not unusual for mental health problems, especially depression and anxiety, to occur with long-term (chronic) diseases. For example, you may: Have diabetes and also feel very sad. Be depressed and notice that your physical health is getting worse. Perhaps your blood pressure is going up. Have...

  • Depression is a medical problem, and you have the right to keep it private. But if it harms your relationships, it may help to talk to your partner, friends, or children about it. Talking to your partner or friends Explain depression to your partner or friends. Be honest about it. Tell them it's a health problem...

  • When you're depressed, holidays can be hard. They may bring up bad memories, or you may feel as if you're outside looking in at people who are having a good time. But try to take part in some holiday events. It may make you feel better. Here are some tips for dealing with the holidays. Try to: Spend time with...

  • Depression is a disease. It's caused by changes in chemicals in the brain that are called neurotransmitters. Depression isn't a character flaw, and it doesn't mean you are bad or weak. It doesn't mean you are going crazy. People who are very depressed can feel so bad that they think about suicide. They may feel...

  • Over coffee, Martha explains how severe depression left her wanting to end her life and unable to have normal conversations with people. "I woke up every day with suicide on my mind, and I went to bed with suicide on my mind," Martha says. Nearly broke, and without health insurance, her life became a "dark maze of...

  • For close to 40 years, Stan woke up each day feeling as if he were going to die. "Mornings were like doomsday," he recalls, describing his depression, alcohol use disorder, and prescription drug misuse. "It was like everything was just dead … that...

  • In raising three teenagers, Sherri juggles the usual whirlwind of school, sports, friends, and family commitments. She also has duties most parents don't face. She shuttles all the kids to counseling and psychiatrist appointments and makes sure they take daily antidepressant medicines. For a long time, Sherri was so...

  • Cheryl is a self-employed single mom. She juggles work, four kids, and depression. "Some days, depression really pulls me down, and I'm totally exhausted mentally, physically, and emotionally," Cheryl says. "Other days, I feel great." Cheryl thinks her first bouts of depression came when she was in middle...

  • Susan's depression started in college. "I was a kid, and I had really bad self-esteem issues. I was making dumb choices," she says. Now Susan is 43, married, and a mother of four. Over the years, her depression has changed. Sometimes, it's felt as if hard times have brought it on. At other points in her life, the...

  • FDA advisories. The U.S. Food and Drug Administration (FDA) has issued advisories to patients, families, and health professionals to closely monitor for warning signs of suicidal behavior in children and adults younger than 25 who take antidepressants. This is especially important at the beginning of treatment or when...

  • Guides through decision to take antidepressants while pregnant. Covers SSRIs (Zoloft and Prozac) and tricyclic antidepressants. Lists reasons for and against medicines. Covers benefits and risks. Includes interactive tool to help you make your decision.

  • Guides through the decision to stop or keep taking depression medicine. Looks at benefits and risks of stopping antidepressants. Covers cognitive-behavioral therapy. Includes interactive tool to help you make your decision.

  • What is dissociative identity disorder? Dissociative identity disorder (DID) is a rare mental health condition. It was once known as multiple personality disorder. People who have it have two or more separate personalities. But they often don't know that the other personalities exist. And they can't remember things...

  • Cognitive-behavioral therapy is an active type of counseling. Sessions usually are held once a week for as long as you need to master new skills. Individual sessions last 1 hour, and group sessions may be longer. During cognitive-behavioral therapy for eating disorders, you learn: About your illness, its symptoms...

  • People who have eating disorders are often very self-critical. Learning to be easier on yourself is essential. Pace yourself if you are feeling weak. Everything you do may take more time and effort. Do not expect to do all the things you want to do...

  • People who have an eating disorder often become preoccupied with negative thoughts about themselves. It is often hard for them to think healthy or balanced thoughts. Although it is impossible to stop all negative thoughts, you can reduce these...

  • As a part of the physical exam for eating disorders, a doctor may order certain tests to see whether your body is generally healthy. These may include blood or urine tests to check: Electrolyte levels. Electrolytes are minerals, such as potassium,...

  • Certain needs, fears, family dynamics, and ways of communicating, thinking, and feeling put a person at greater risk of developing an eating disorder such as anorexia, bulimia, or binge eating. Some of these include: A need for attention. A need to...

  • Eating disorders occur most often in industrialized cultures where there is an emphasis on thinness, especially if thinness is linked to success. Magazines, television, and other media have created an unrealistic image of the perfect, successful...

  • When a loved one has an eating disorder such as anorexia, bulimia, or binge eating and is in treatment, it is important that you show support. You can show personal support by: Showing and stating your love. Avoiding the temptation to control the...

  • A hallucination is a perception of something that is not really there. It can involve sight, hearing, taste, smell, and/or touch. For example, you may hear voices that nobody else hears or see something that nobody else sees. You probably will know...

  • What is hoarding disorder? Hoarding disorder is an illness that makes people feel a very strong need to collect things. They can't bear to think about parting with their things. Over time, the collected items may take over the person's house. The items may cover tables, beds, counters, and floors. Hallways and...

  • Learning disabilities make it hard for your child to learn in certain areas. Your child may have trouble with listening, speaking, reading, writing, spelling, or doing math. One example of a learning disability is dyslexia. A child with dyslexia has...

  • Some people have an alcohol or drug use problem and a mental health problem. Doctors call this a dual diagnosis. You need to treat both problems to fully recover. Mental health problems that can happen with alcohol or drug use include depression, bipolar disorder, obsessive-compulsive disorder, post-traumatic stress...

  • What is Munchausen syndrome by proxy? If you want to save this information but don't think it is safe to take it home, see if a trusted friend can keep it for you. Plan ahead. Know who you can call for help, and memorize the phone number. Be careful online too. Your online activity may be seen by others. Do not...

  • Minor fingernail and toenail problems are common. At one time or another, almost everyone has caught a nail on something, causing it to rip, or has smashed a finger in a door, leaving blood under the nail. These kinds of injuries can be quite painful but are usually not serious. You can often relieve pain and prevent...

  • Nail-biting (onychophagia) is a common stress-relieving habit. You may bite your nails in times of stress or excitement, or in times of boredom or inactivity. It can also be a learned behavior from family members. Nail-biting is the most common of the typical "nervous habits," which include thumb-sucking, nose-picking...

  • Covers how mental health problems can affect your relationships. Looks at the stigma of mental health problems. Offers ways to help others understand. Covers how to get help. Includes links to info on specific disorders like depression, OCD, or PTSD.

  • Feeling worried or nervous is a normal part of everyday life. Everyone frets or feels anxious from time to time. Mild to moderate anxiety can help you focus your attention, energy, and motivation. If anxiety is severe, you may have feelings of...

  • What is obsessive-compulsive disorder (OCD)? Obsessive-compulsive disorder (OCD) is a type of mental illness that causes repeated unwanted thoughts. To get rid of the thoughts, a person with OCD may also do the same tasks over and over. For example, you may fear that everything you touch has germs on it. So to ease...

  • Guides through decision to take medicine to treat obsessive-compulsive disorder (OCD). Explains symptoms of OCD. Describes most common types of medicines used and other treatments. Covers benefits and risks. Includes an interactive tool to help you decide.

  • Symptoms of severe anxiety and panic linked with social anxiety disorder include: Fast heart rate and fast breathing. Sweating. Nausea. Trembling and feeling weak in the knees. Being unable to move or run away. Symptoms of panic include: Feelings of...

  • Covers panic attack, an intense fear that comes on suddenly. Looks at physical symptoms such as chest pain, pounding heartbeat, and sweating. Includes getting treatment with cognitive-behavioral therapy or medicine.

  • Feeling worried or nervous is a normal part of everyday life. Everyone frets or feels anxious from time to time. Mild to moderate anxiety can help you focus your attention, energy, and motivation. If anxiety is severe, you may have feelings of...

  • If someone you know has a panic attack, he or she may become very anxious and not think clearly. You can help the person by doing the following: Stay with the person and keep calm. Offer medicine if the person usually takes it during an attack. Move...

  • What are panic attacks and panic disorder? A panic attack is a sudden, intense fear or anxiety that may make you short of breath or dizzy or make your heart pound. You may feel out of control. Some people believe that they are having a heart attack or are about to die. An attack usually lasts from 5 to 20 minutes...

  • Anxiety is having too much fear and worry. Some people have what's called generalized anxiety disorder. They feel worried and stressed about many things. Often they worry about even small things. Some people also may have panic attacks. A panic attack is a sudden feeling of extreme anxiety. People who have social...

  • Take medicines, along with counseling or not. Get counseling for treatment of panic disorder. Two types of medicines work well for treating panic disorder. Benzodiazepines can help you feel better right away. You can take antidepressants for long-term treatment. Counseling works at least as well as...

  • You may be able to tell when someone is paranoid. The person may accuse others of trying to harm him or her or may look around fearfully. The person may talk about protecting himself or herself from attack. Here are ways to help the person who is...

  • What is schizoaffective disorder? People with schizoaffective disorder have the symptoms of schizophrenia and a mood disorder. Mood disorders, such as bipolar disorder or depression, are medical problems that affect how you feel. What causes schizoaffective disorder? Experts don't know what causes it. It may have...

  • What is schizophrenia? Schizophrenia is an illness that can affect your ability to think clearly, manage your emotions, and interact with others. It affects each person differently. The way other people react to schizophrenia can make a difference in how schizophrenia affects you. It can make it easier or harder...

  • Covers how mental health problems can affect your relationships. Looks at the stigma of mental health problems. Offers ways to help others understand. Covers how to get help. Includes links to info on specific disorders like depression, OCD, or PTSD.

  • You may be able to tell when someone is paranoid. The person may accuse others of trying to harm him or her or may look around fearfully. The person may talk about protecting himself or herself from attack. Here are ways to help the person who is...

  • Here are ways to help your family member take the medicines: Talk about medicines in a way that is meaningful to the person. For example, point out the reasons to take medication. Say, "Your medicines help quiet the voices you hear," or "Your...

  • While most people with schizophrenia are not violent, violence is one of the reasons someone who has schizophrenia may need hospitalization. It is a way to protect the person or those around him or her until the delusions or hallucinations often...

  • A few disorders have some of the same symptoms as schizophrenia (schizophrenia spectrum disorders), including: Schizotypal personality disorder. A person with schizotypal personality disorder has a difficult time developing close relationships with other people and may hold beliefs not shared by other...

  • A relapse can happen when you have schizophrenia. In a relapse, your symptoms return and may be so severe that they cause a psychotic episode. This means you can't tell the difference between what is real and what isn't real. A relapse or a...

  • Social skills training helps you get along better with other people in daily life, at work, and in social situations. These classes also help you develop skills for your personal relationships. Class topics may include: What is right and wrong...

  • A hallucination is a perception of something that is not really there. It can involve sight, hearing, taste, smell, and/or touch. For example, you may hear voices that nobody else hears or see something that nobody else sees. You probably will know...

  • People who have schizophrenia sometimes have to spend time in the hospital. This can be because of severe symptoms or for other reasons. You may have to go to the hospital if you: Are having a psychotic episode. This means you can't tell the difference between what is real and what is not real. Talk about suicide or...

  • As a family member or close friend, you may help take care of your loved one who has schizophrenia. You can help your loved one stay in treatment, take his or her medicines, and prevent symptoms from coming back ( relapse). Along the way, be sure to take care of yourself too. It can be hard to watch a family...

  • People with schizophrenia have goals and desires just like people who do not have the illness. These may include starting a family. You can have a healthy pregnancy and a healthy baby if you have schizophrenia. But there are some things to know. You will want people to help you during your pregnancy and when you are...

  • Some symptoms of schizophrenia can be hard to treat, such as finding little or no pleasure in life and feeling no emotions. Medicines don't always work well for these symptoms. You may find these symptoms hard to deal with, because they often are long-lasting and may make your loved one appear to be concerned only about...

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