Conditions list medically reviewed by George Krucik, MD, MBA
The thyroid gland produces a hormone that controls how your cells use energy (metabolize). Hypothyroidism occurs when the body doesn't produce enough. Untreated, it can…
A stroke is a medical emergency that requires immediate medical care. Learn about the signs of a stroke and what to do.
Obesity is an epidemic in the U.S. This condition puts people at a higher risk for serious diseases, such as type 2 diabetes, heart disease, and cancer.
Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.
Seasonal affective disorder (SAD) is a form of depression. People affected by SAD display symptoms of depression at the same time every year, typically during the fall…
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 what you need to know about dementia, and learn how it's different from ordinary aging.
Concussions can cause serious symptoms that require medical treatment. A concussion is a traumatic brain injury that results in an altered mental state.
Alcohol withdrawal syndrome refers to the symptoms experienced when a heavy drinker drastically reduces or stops their alcohol intake.
If you live with fibromyalgia, you know that it's a complex disorder with a range of potential causes, treatments, and risk factors. Here's a top-to-bottom look at this…
In women, fluctuating hormone levels are a major contributing factor in chronic headaches and menstrual migraines. Learn about causes, treatment, and prevention.
Whiplash occurs when a person's head moves backward and then forward very suddenly with great force. This injury is most common following a car collision.
Hypopituitarism occurs when your pituitary gland in your brain is not releasing one or more of the eight hormones it should be releasing.
The things you've wanted to know about MS are all in one place. Learn more about symptoms, treatment, and lifestyle management.
Endometriosis is a disorder in which the tissue that forms the lining of your uterus grows outside of your uterine cavity. The lining is called the endometrium.
Hypercalcemia is a condition in which you have too much calcium in your blood.
Hashimoto's disease is a condition that damages the thyroid's ability to function properly. It can cause a goiter, or enlarged thyroid, which can make the front of the…
Celiac disease is a digestive disorder caused by an abnormal immune reaction to gluten. Learn about celiac disease systems, diagnosis, and treatment.
Hyperparathyroidism is a condition where the parathyroid glands produce too much parathyroid hormone (PTH).
Primary hypothyroidism means your thyroid gland doesn't produce enough hormones. Learn about causes, symptoms, diagnosis, and treatments.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.