Learn about this uncommon cancer that's linked to being around asbestos. Treatments include surgery, radiation and chemotherapy.
Disease
Metabolic syndrome
Having three or more specific risk factors, such as high blood pressure or abdominal fat, boosts your risk of type 2 diabetes and heart disease.
Disease
Metachromatic leukodystrophy
This rare genetic disorder causes fatty substances (sulfatides) to build up in your brain and nervous system, causing progressive loss of nerve function.
Disease
Metastatic prostate cancer
Find out about diagnosis and treatment of this cancer that has spread to the lymph nodes or other parts of the body.
Disease
Metatarsalgia
With this condition, the ball of the foot becomes painful and irritated. Learn about the causes, treatments and prevention of this injury.
Disease
Microcephaly
Learn more about microcephaly, when an infant's head is smaller than expected. The condition affects child development.
Disease
Microscopic colitis
Ongoing, watery diarrhea could be a sign of this condition of the colon. Find out about testing and treatment.
Disease
Migraine
Find out more about these painful headaches that can last hours to days. They also can cause nausea, vomiting, and sensitivity to light and sound.
Disease
Migraine with aura
Learn more about migraine that causes pain and sensory disturbances (aura), such as flashes of light, blind spots or tingling in your hands or face.
Disease
Mild cognitive impairment (MCI)
Learn more about this stage between the typical memory loss related to aging and the more serious decline of dementia.
Disease
Milk allergy
Find out what happens when the immune system reacts to proteins in milk, causing allergic signs and symptoms such as hives and wheezing.
Disease
Miscarriage
Learn what might cause the loss of a pregnancy, the symptoms and how to cope.