Conditions list medically reviewed by George Krucik, MD, MBA
If left untreated, HIV can lead to AIDS. AIDS weakens your immune system to the point where it can no longer fight off disease and infection. Learn more.
In women, fluctuating hormone levels are a major contributing factor in chronic headaches and menstrual migraines. Learn about causes, treatment, and prevention.
Depression is classified as a mood disorder. It may be described as feelings of sadness, loss, or anger that interfere with a person's everyday activities. It is…
Seasonal affective disorder (SAD), also known as major depressive disorder (MDD) with seasonal pattern, is a form of depression. Discover how your depression may be…
Find out what you need to know about dementia, and learn how it's different from ordinary aging.
Bipolar disorder is a mental illness marked by extreme shifts in mood ranging from mania to depression. It is also called bipolar disease or manic depression.
Find out all you need to know about schizophrenia, including early symptoms and treatment options.
Alzheimer's disease (AD), the most common cause of dementia, is a progressive brain disorder. Learn about the causes, signs and research being done about AD.
Autism is one of a group of neurodevelopmental disorders, which are characterized by impaired communication and social interaction, and restricted, repetitive and…
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.