A burning sensation in your feet during exercise can be so uncomfortable that your workout is cut short. The tingling, burning and sweaty feeling makes exercise less enjoyable.

Low density lipoprotein, or LDL, transports cholesterol from your liver and delivers it to the tissues that need it. However, if cholesterol is unneeded, then LDL circulates throughout your bloodstream. For health-related purposes, you should maintain your LDL cholesterol in a certain range.

Potassium is an important mineral to the body and plays roles at both the cellular and electrical level. In fact, it is also considered an electrolyte because it carries a tiny electrical charge. Potassium is found in red blood cells, muscles and bones.

Pulse oximeters are devices that are used to indirectly measure the amount of oxygen in the blood by measuring a quantity known as oxygen saturation, or SpO2. SpO2 is a measurement of the percentage of hemoglobin molecules that are bound to oxygen.

Colon cleansers are one of the more popular products on the market. Advertisements are full of suggestions about removing toxins from the body with colon cleansers, but according to medical experts, colon cleansers may do more harm than good.

Spotting between periods is a common ---and often annoying -- part of being female. As many as 9 to 14 percent of menstruating women deal with spotting, according to a January 2012 "American Family Physician" article.

Blood pressure refers to the force the fluid within the vascular system exerts on the walls of the vessels. Elevated blood pressure increases the risk of heart attack, stroke, kidney disease, blindness and death. The higher blood pressure is above normal, the greater the risk.

Teen weight loss is not about dieting. A teen summer weight-loss plan is about integrating lifestyle changes and creating healthy habits. This is important because weight loss does not have to be a struggle or cause negative body image. It can be easy to do and rewarding.

A common complaint in patients with liver problems is a sensation of fullness or bloating within the abdomen. This sensation results from increased water retention within the membranous lining of the abdominal tissue known as ascites, according to "Harrison's Principles of Internal Medicine."

There are two approved methods of sleeping recommended by the American Chiropractic Association: sleeping on your side and sleeping on your back. Sleeping on your stomach is not only the least desirable position to sleep in, but it could damage your spine and nervous system.

A groin pull, or strain, refers to an overstretch or tear injury to one of the three adductor muscles that run down the inside of the thigh and work to pull the legs together.

Sunburns can range from tender, pink skin to painful blisters accompanied by nausea and fever. They're known to contribute to premature aging and cancer. Vitamins, when combined with sunscreen and protective clothing, can lessen the sun's damaging effects.