What you don't know about your health might hurt you. New research found that many people had a chronic illness without knowing it.

Some patients swallow pills without a second thought, but others have trouble. Of those who have trouble, 1 in 3 vomit, gag or choke when they try to swallow a pill, according to past research. But two new pill-swallowing methods may help these patients.

Since 2012, the Centers for Disease Control and Prevention (CDC) has suggested that all pregnant women receive the Tdap vaccine, even if they were vaccinated earlier in life. And new research found that Tdap was safe for both mom and baby.

The outbreak of chikungunya in Central America, South America and the Caribbean — which began last December — is still spreading. The CDC recently warned travelers to take precautions when traveling to affected regions.

Laundry detergent pods may be convenient, but they may also pose the threat of poisoning to children.

As older people with illnesses near the end of their lives, patients and families face tough personal and medical decisions. But clear and detailed doctor-patient communication could improve end-of-life care for these patients, a new study found.

Cosmetic skin procedures have become more common in recent years. But are they dangerous? Probably not, a new study suggests.

Labeled as smart eyewear, Google Glass lets users search photos, take calls, send messages and watch videos. But the high-tech glasses may also hinder users' vision.

After an accidental shipment of an American version of Fireball Whisky to Europe, three countries have recalled the product due to an ingredient in the whiskey also found in antifreeze. But Fireball says the chemical is safe for consumption.

Past research and advertising campaigns suggested that milk made bones stronger and improved overall health. But new research suggests that may not be true.