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Herd immunity and COVID-19: What you need to know
To protect groups of people over time, it helps to know what level of recovery or vaccination in a population makes it hard for a germ to spread.
Personality disorders
A person with this mental health condition thinks, acts and behaves in a rigid pattern that's not healthy. It's hard to understand and relate to others.
Enterovirus D68 and parechovirus: How can I protect my child?
Enterovirus D68 and parechovirus infections can lead to serious illness among children. Know the symptoms and what you can do.
COVID-19 vaccines: Get the facts
Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side effects.
Palliative care
Learn what to expect with this care approach that offers symptom relief for seriously ill people of any age.
Eating disorders
Anorexia, bulimia and binge-eating disorder affect physical and mental health. Learn about symptoms, causes, risk factors, diagnosis and treatment options.
Inherited metabolic disorders
Caused by gene changes, these disorders affect the body's ability to change food into energy. They also affect how energy is used, such as for cell repair.
Facial reanimation surgery
Learn how these procedures can allow people with facial paralysis to regain the ability to smile and make other facial expressions.
Agoraphobia
Agoraphobia is an anxiety disorder in which you fear and avoid public places or situations where you might feel panicked, trapped, helpless or embarrassed.
Reye's syndrome
Learn more about the causes and treatment of Reye's syndrome, a rare but serious condition causing swelling in the liver and brain.
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