Symptoms

Hand, foot and mouth disease usually affects children under the age of five.

Scientists believe a chemical used to cure meats could trigger mania.

Experts have warned parents about the risks of boron.

Alex Childress was gardening to raise for money for college when he encountered a poisonous giant hogweed.

Angela Wright's apartment was sprayed, but the brown recluse spiders remained.

Toxic shock syndrome is widely associated with young women, but anyone can develop the life-threatening condition.

"Giant hogweed makes poison ivy look like a walk in the park," officials warned.

The new technique could be an important tool for catching a cancer that can be tough to diagnose.

Dr. Erich Voigt used Facebook to track the woman down and warn her about the lump on her neck.

Millions of people have distorted vision because of damaged corneas.

Benzocaine can trigger a condition that causes the amount of oxygen carried in blood to drop.

Externally applied sunscreen lotion is the only pharmaceutical product that can protect against UV rays.

New drug offers hope for the millions of Americans who suffer from the debilitating condition.

The teenager was hooked up to a breathing machine and had her lungs drained of fluid.

PCOS is one of the most common causes of infertility.

The virus is similar to those which caused the SARS and MERS outbreaks.

If left untreated, syphilis can cause serious health conditions, including blindness and neurological disorders that can result in death.

A new molecule was found to stop cold viruses from hijacking human cells.

Typhoid is most commonly spread via contaminated food and water.

Marie Robinson is one of 18,000 people waiting for a liver transplant, so her husband, Verlon, took matters into his own hands.

Cranberry juice is believed to stop bacteria from sticking to the walls of the bladder, but the scientific evidence to support this claim doesn't stack up.

The number of illnesses caused by mosquitos, ticks and fleas in the United States has tripled since 2004.

Kendra Jackson lost half a pint of brain fluid from her nose every day because of a cerebrospinal fluid leak

An outbreak of yellow fever in Brazil has officials in the United States on watch.

Sneezing and congestion are symptoms of the common cold and seasonal allergies—an expert weighed in on how to tell which one you're suffering from.

Over 200 researchers worked on the largest study yet into the potential genetic risk factors of the disease which is linked to almost 1 million suicides worldwide each year.

Hundreds of thousands of people still die of the ancient disease every year.

Women with PMS experience an average of 3,000 days of debilitating symptoms during their reproductive lives.

The CDC has issued a warning against eating romaine lettuce.

This latest E. coli outbreak is definitely not related to one that infected dozens of Americans in November and December, the CDC said.