Cottonmouths, or water moccasins, are venomous snakes in North America that display white mouths when threatened.

Tooth sensitivity is a common dental problem that involves discomfort or pain in teeth when encountering certain substances and temperatures.

A man worth celebrating.

Spiny on the outside, sweet on the inside, pineapples are one fantastic fruit.

In addition to being a delicious snack, sweet, juicy oranges have many health benefits.

Don't let the name fool you, sweet potatoes are a surprisingly nutritious vegetable.

Inflammation is the body's response to injury. It works to help heal wounds, but it can also play a role in some chronic diseases.

Albuterol is a prescription medicine prescribed for patients struggling with asthma, emphysema, bronchitis and other lung diseases.

The anti-inflammatory painkilling drug ibuprofen is effective against fever, menstrual cramps, headaches, toothaches, joint pain and backaches.

Brown rice is a highly nutritious grain. It is good for the heart, aids digestion and may reduce the risk of cancer, diabetes and high cholesterol.

Cantaloupes are packed with vitamins A and C, and since they have high water content, they are low in calories.

Often maligned for being bland, cauliflower, when prepared properly, can be flavorful as well as healthful.

The Louvre is the world’s largest museum and houses one of the most impressive art collections in history.

Lemons are full of vitamins, minerals, phytonutrients and antioxidants, and they are especially good sources of vitamin C and folate.

Quinoa, a plant from the Andes, is packed with protein, fiber and various vitamins and minerals.

The pancreas helps regulate blood sugar levels. It is also an important aid in digestion.

The gallbladder is a small organ that is used to store bile, which breaks up the fat in food.

The spleen is an important organ for keeping bodily fluids balanced. It is possible to live without it, but removal of the spleen has serious consequences.

Chocolate, the most popular sweet treat in the world, makes you feel good and it may be good for you, too.

Asparagus contains a stimulating blend of nutrients, making this member of the lily family a fantastic food for your health.

Here’s everything you need to know about the liver, from its function and location in the body, to diseases that affect the organ.

Sometimes thought of as dumb brutes, Neanderthals, a dead-end species in human evolution, used tools, buried their dead and controlled fire, among other intelligent behaviors.

Chromosomes carry hereditary information for everything from height to eye color.

The North Pole, the northernmost point on Earth, has inspired human imagination, scientific exploration and political conflict for decades.