Arteries are blood vessels that carry blood rich in oxygen throughout your body. They go to your brain as well as to the tips of your toes. Healthy arteries have smooth inner walls and blood flows ...

Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and contracts) 100,000 times per ...

Severe pain in your jaw could be a sign of TMJ disorder. Home treatments can help ease your symptoms. (Photo credit: Prostockstudio/Dreamstime) Your temporomandibular ...

The "murmur" is the sound of blood flowing. It may be passing through an abnormal heart valve, for instance. Or it may be that a condition makes your heart beat faster and forces your heart to handle ...

Bumps, patches, and spots in your mouth can be harmless. But sometimes, they can give clues to what’s going on with your overall health. Infections, stress, medication issues, and even aging can make ...

Millions of Americans can’t digest a certain sugar in milk and milk products called lactose. If you’re one of them, you have lactose intolerance. The condition isn’t harmful, but it can be ...

If you see blood in your stool or toilet paper, you might be concerned. But while blood in stool can signal a serious problem, it isn't always the case. Here's what you need to know about the possible ...

What Happens When You Shower Too Much? Normal skin has a protective layer of oil and a balance of “good” bacteria that help protect your skin from dryness and germs. If you clean it too often, ...

Fact. Poison ivy, poison oak, and poison sumac grow in wooded or marshy areas throughout North America. The plants aren’t really poisonous. They have a sticky, long-lasting oil called urushiol that ...

What Does Asthma Feel Like? Asthma is characterized by inflammation of the bronchial tubes with increased production of sticky secretions inside the tubes. People with asthma experience symptoms when ...

You've probably heard of antihistamines. They're medicines that tame allergy symptoms. But what are histamines? They're chemicals your immune system makes. Histamines act like bouncers at a club. They ...

Nutmeg adds a nice, nutty flavor when you add it in small amounts to baked goods. But eaten by the spoonful, it can cause big problems to your system. Even as little as 2 teaspoons can be toxic to ...