Health Topics A-Z

Meningitis and encephalitis are serious health conditions that cause swelling and irritation in and around the brain. Most but not all are caused by viral infections.

The menopausal transition is an important time in midlife to focus on health and make changes that can support health and well-being in the years ahead.

Metabolic dysfunction-associated steatotic liver disease (MASLD) is a liver condition in which too much fat builds up in the liver, but not due to alcohol use.

Migraine is a condition that is more than just a bad headache. Symptoms of migraine differ from person to person but often include recurring headaches, nausea, vomiting, mood changes, extreme tiredness, and sensitivity to light, noise, and smells.

Meditation and mindfulness are increasingly used as complementary approaches for improving health and well-being.

Multiple sclerosis (MS) is a chronic neurological disorder affecting the brain, spinal cord, and optic nerve (the nerve connecting the eye to the brain). It is one of the most common disabling neurological diseases affecting young adults.

Narcolepsy is a chronic neurological disorder that affects the brain’s ability to control sleep-wake cycles. People living with narcolepsy can fall asleep without warning during daily activities such as eating, working, or driving.

Sounds that are too loud, even for a brief time, or that are both loud and long-lasting can cause permanent noise-induced hearing loss.

Obsessive-compulsive disorder (OCD) is a mental illness in which a person experiences uncontrollable, recurring, and often distressing thoughts (obsessions), engages in repetitive and excessive behaviors (compulsions), or both. 

Opioids are a class of natural, semi-synthetic, and synthetic drugs that includes both prescription medicines and illegal drugs like heroin.