Reference article: Facts about Legionnaires' disease.
One of the main risks of this rare blood disorder is internal bleeding into muscles, joints and soft tissue.
Anemia is a common condition that may be caused by a shortage of iron, abnormal bleeding, infections, cancer or gastrointestinal problems.
Neuroblastoma is a rare form of childhood cancer that occurs when early forms of nerve cells don't develop correctly.
Pneumonia is a common infection that causes inflammation in one or both lungs. It's typical symptoms are a cough with phlegm, fever, chills and difficulty breathing.
Most people bitten by a West Nile virus mosquito won't get sick, but in a small percentage of people, the virus invades the brain and spinal cord, which results in serious illness.
The Eastern equine encephalitis virus is spread by mosquitoes and, in rare cases, can lead to a life-threatening brain infection.
People with cystic fibrosis produce a thick, sticky mucus that causes wide-ranging problems in the lungs, pancreas and digestive system.
Psoriasis causes new skin cells to grow in days rather than weeks. New skin builds up rapidly, forming thick patches and scales on the surface.
People may be picking up rat lungworm disease by eating a fast-climbing creature that's part slug, part snail.
A rare psychological occurrence, Stockholm syndrome is when hostages develop positive feelings toward their captors during an abduction incident.
Alzheimer's disease, the most common form of dementia, causes memory and thinking problems, as well as behavioral changes in older adults.
The measles can be dangerous for people of all ages, but the highly contagious virus poses a particular threat to pregnant women.
A man in England has sworn off cleaning his ears with a cotton swab after developing a potentially life-threatening infection.
An at-home screening test for colorectal cancer may be as good an option as a colonoscopy, a new review study finds.
When a British woman returned from a visit to Uganda, she didn't realize that a live baby fly had hitched a ride home with her.
There's nothing strange about breaking out into a heavy sweat on a sweltering day, or, after some serious physical activity.
Sometimes, you just really want a peanut butter and jelly sandwich. And, as long as you're not allergic to the ingredients, that's totally fine. At least, that's what one woman thought.
There's a whole range of reasons you don't want to be bitten by a black widow spider, but you probably wouldn't think that losing the ability to pee is one of them.