Phospholipids comprise an important class of biological molecules that serve both structural and functional roles in the human body.

Vitamins and minerals are essential nutrients for a person's growth and development. Because they need to be absorbed from the bloodstream to be effective, anything that hinders this process can result in your body getting insufficient nutrients.

Foods that are often considered healthy, such as milk or yogurt, can sometimes present health risks in those who suffer from kidney malfunction or potential kidney disease.

Although your body needs only small amounts of iodine, its role in your body is anything but small. Iodine is critical for the production of your thyroid hormone, which has many important roles.

Your liver is located in the upper right-hand portion of your abdominal cavity, just beneath the diaphragm and on top of the stomach. It is a dark reddish-brown color and weighs approximately 3 lbs. At any given time, the liver has about 13 percent of the body's total blood supply in it.

A citrus cleansing diet aims to help your body detoxify itself of accumulated wastes and toxins in your body. At the same time, citrus fruits nourish your body with the vitamins and minerals it needs to function.

Colon health is vital to the health of the rest of your body. It's responsible for expelling waste from your body, so if you suffer from bowel problems like constipation, toxins will build up in your system, which can lead to further health issues and disease.

Freon is the trade name for a class of chemicals called chlorofluorocarbons, or CFCs, used primarily in refrigeration and air conditioning. (Reference 5) Freon and other refrigerants are toxic and can cause poisoning and even death.

The ulnar nerve is a nerve in the inner arm that runs from the armpit, past the inner elbow and into the fourth and fifth fingers.

Anxiety is a state of inner unrest or uneasiness often described as "nervousness." Worry, jitteriness, sweating, an increased heart rate, rapid breathing and other feelings and symptoms commonly accompany anxiety. A long-held and still popular distinction between "state" and "trait"

It's that time of the month again, and your moods are all over the place. One minute you're feeling fine, and the next minute you're blue or angry. To make matters worse, you may feel fatigued, bloated and achy.

Hormones are substances produced by the body that have chemical effects on other parts of the body. Women produce hormones, such as estradiol, follicle stimulating hormone (FSH), luteinizing hormone (LH) and progesterone. Certain hormones rise at various times of the menstrual cycle and during pregnancy.