Learn about foods that can raise your cholesterol and foods that can help you lower it.

How much do you know about cholesterol? Mark each of the following statements True or False.

Need to eat on the run? This often means grabbing "junk" or fast food full of fat, salt, sugar, and cholesterol. But being in a rush doesn't mean that you can't eat healthy. Try these ways to get good nutrition, fast.

Scaling and root planing is a special type of cleaning done by a dental professional (general dentist, dental hygienist, or periodontist). This cleaning removes plaque and tartar from beneath the gums. It helps restore health to your gums and teeth.

Follow these illustrated step-by-step instructions to learn how to floss.

Here are images that show the steps of effective brushing.

Precancerous oral lesions are abnormal cell growths in or around the mouth. They may become cancer. Cancerous oral lesions are life-threatening cell changes in the mouth. These lesions need to be found early to give you a better chance for a cure.

Periodontal disease is an infection of the gums and tissues supporting the teeth. If not treated, it often gets worse. Bone damage and tooth loss can occur. Regular self-care and dental visits can help prevent or control periodontal disease.

Studies have shown that folic acid can prevent certain birth defects.

Vitamin C is also called ascorbic acid and ascorbate. This vitamin has many benefits. Vitamin C is an antioxidant. This means that it fights cell damage in the body. Damaged cells increase the risk of cancer and heart disease. Vitamin C may help you resist these diseases.