Anemia is a condition in which the body does not have enough healthy red blood cells. Red blood cells provide oxygen to body tissues. There are many types of anemia.
Iron deficiency anemia occurs when your body does not have enough iron. Iron helps make red blood cells.
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Cancer is the uncontrolled growth of abnormal cells in the body. Cancerous cells are also called malignant cells.
Causes
Cancer grows out of normal cells in the body. Normal cells multiply when the body needs them, and die when the body doesn't need them. Cancer...
You haven't been feeling so great for the last few days, and you've had a runny nose and a cough. Then one morning you wake up and stumble into the bathroom. You look in the mirror with blurry eyes and — yikes! You have chickenpox!
The first symptom of syphilis is a sore called a chancre (say "shanker") that is usually painless. The sore begins at the site of infection as...
A primary brain tumor is a group (mass) of abnormal cells that start in the brain.
Causes
Primary brain tumors include any tumor that starts in the brain. Primary brain tumors can start from brain cells, the membranes around the brain (meninges), nerves, or glands...
A boil is an infection that affects groups of hair follicles and nearby skin tissue.
Related conditions include:
As a part of healthy aging, it pays to understand your body mass index (BMI), a measure of body fat based on height and weight that applies to both adult men and women.
The National Heart, Lung, and Blood Institute (NHLBI) has a Web site that lets you easily calculate your BMI just by...
What is asthma?
Asthma is a disease of the lungs. The airways of people who have asthma are extra sensitive to the things they're allergic to (called allergens) and to other irritating things in the air (called irritants).