Mumps, a contagious disease caused by a virus, passes from one person to another through saliva, mucus, or through close proximity with a contagious person. The...
MTHFR stands for the enzyme methylenetetrahydrofolate reductase. A MTHFR mutation can change the way a person metabolizes and converts nutrients from food into ...
Mononucleosis is a viral infection that causes extreme fatigue, body aches, fever, and other symptoms. Also known as mono, the infection is often called "the ki...
Menopause is the change that marks the permanent end of a woman's menstrual cycle. While it's a natural part of aging, many women dread the process, due to the ...
Macular degeneration is disorder that effects cells in the retina, causing changes in vision. Macular degeneration causes vary, but the disease is most commonly...
Lymphangitis is an infection that involves the lymphatic vessels. Lymphangitis causes include streptococci bacteria that enter the lymphatic vessels through a s...
Swollen lymph nodes, or in particular, lymphadenitis, occur as a result of exposure to bacteria or viruses. (1) Lymphadenitis causes tenderness and pain in the ...
Lyme disease is transmitted by the bite of a black-legged tick, or deer tick. (1) Depending on how much time has passed since the bite from an infected tick, Ly...
Hepatitis A is a viral infection that affects the liver and is usually spread by contaminated food and water. An estimated 2,800 people in the United States. Al...
Laryngitis occurs when your voice box or vocal cords become inflamed. This can happen from the overuse, irritation, or infection of the vocal cords or voice box...
Kidney stones are hard deposits made of minerals and salts, which form inside your kidneys. (1) While they can be painful, there are numerous kidney stone treat...
Herpes is a common virus that causes cold sores on the mouth or sores on the genitals. The two most common types are HSV-1 and HSV-2. HSV-1 causes cold sores to...
