Fitness basics
Learning Center
Video: Vagus nerve stimulation
Watch how vagus nerve stimulation works.
Alzheimer's disease: Can exercise prevent memory loss?
Regular exercise may help in preventing Alzheimer's disease and improving cognitive function.
Breast cancer radiation: Can it cause dry skin?
Dry skin after breast cancer radiation is fairly common. These suggestions may help.
Hernia truss: Can it help an inguinal hernia?
A hernia truss can temporarily ease discomfort, but medical care is needed for a painful hernia.
Adrenalectomy
Learn what to expect from this surgery that involves removing an adrenal gland.
Chronic pain: Medication decisions
What works for one person's pain may not help yours — and every pill has risks. Learn how to sort through your options for maximum relief and minimum risk.
Infectious diseases
Viruses, bacteria, fungi and parasites can all cause infection. Find out more about how to prevent and treat these conditions.
Blocked tear duct
Watery, irritated eyes may occur when your tears can't drain normally. Learn about this common eye condition that affects newborns and sometimes, adults.
Small vessel disease
Also called coronary microvascular disease, this type of heart disease can be hard to detect. Know the symptoms and how it's diagnosed and treated.
Seborrheic keratosis
Learn more about the symptoms and treatments of this common, noncancerous skin growth that gradually appears as you age.
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