Learn about this cancer that affects the anal canal and causes bleeding and pain. Treatment is usually with a combination of radiation and chemotherapy.
Disease
Male infertility
Male infertility often plays a role when couples have trouble conceiving. Find out what causes male infertility and available options for treatment.
Disease
Gangrene
A severe bacterial infection or lack of blood flow can cause body tissue to die. Know the warning signs and symptoms of this life-threatening condition.
Disease
Pulmonary edema
Get more information about the causes of this potentially life-threatening lung condition and learn how to treat and prevent it.
Disease
Viral hemorrhagic fevers
Learn about the symptoms, treatment and prevention of these sometimes deadly diseases.
Disease
Common cold
This common illness of the nose and throat causes a stuffy or runny nose, sore throat, and cough.
Disease
De Quervain tenosynovitis
This painful condition affects the tendons on the thumb side of the wrist. A splint or brace can rest the tendons. Ice also is helpful.
Disease
Canker sore
Canker sore — Learn about the causes, treatment and prevention of this painful mouth sore.
Disease
Chronic cough
A cough that lasts for weeks could be caused by smoking, postnasal drip, asthma, acid reflux, respiratory infections, COPD or another underlying problem.
Disease
Coma
Learn what can cause this state of prolonged loss of consciousness. While a coma rarely lasts longer than a few weeks, some people never wake from one.
Disease
Color blindness
Is it red or is it green? Learn more about what causes this common eye condition and how to tell whether you can distinguish between certain shades of color.
Disease
Benign peripheral nerve tumor
Learn more about the different types of tumors that grow on or around the nerves that link to the brain and spinal cord.