Running is an effective cardiovascular exercise that can help you burn calories quickly and reduce your chance of contracting conditions like high blood pressure, diabetes and heart disease. If you want to lose weight, running regularly can help you reach your goals.

Tears, which are made up of water, oil, mucus, antibodies and protein, according to the Mayo Clinic, lubricate the eyes and keep them moist. The components of tears are made in glands around the eye; a disturbance in any part of tear production results in dry, gritty, red or irritated eyes.

Swiss Kriss is an herbal laxative used to treat mild constipation and improve bowel regularity. The tablets contain peach and strawberry leaves, anise and caraway seeds and hibiscus and calendula flowers.

During pregnancy, hormone levels change. In the case of progesterone, levels begin to change as soon as you ovulate. After ovulation, the remnant of the follicle that contained the egg, called the corpus luteum, produces progesterone.

A pulmonary embolism is a blood clot or other material lodged in your lung artery, according to MayoClinic.com. Usually, blood clots in the lungs result when clots located in deep leg veins break off and travel to the lungs.

Keratoconus is a rare vision disorder that affects the shape of the eye. As of early 2011, the cause is unknown. At its worst, the condition causes the cornea to bulge, thin and shape-shift images into barely recognizable blobs. Remedies include corrective vision aids, and as a last resort, corneal transplant.

When you have a toothache, it can seem as though your whole mouth hurts. Indeed, toothaches can affect other parts of your mouth, including your cheeks. Symptoms that accompany a toothache can help your dentist determine the cause. Visit your dentist at the first sign of a toothache.

Cortisol is a hormone produced by the human body, designed to help the body deal with mental and physical stress. Also known as the "stress hormone," cortisol increases in the blood rise as an individual feels either physical, emotional or mental stress.

If all or part of the large intestine requires removal due to disease or cancer, the end of the small intestine -- the ileum -- temporarily connects to the outside of the body through a small hole in the abdominal wall. Stool collects in special bags over this opening.

According to the website Sociopathic.net, approximately three in every 100 grown men in the general population are sociopathic. Women are not as frequently afflicted. Research has indicated that both genetic and physical factors as well as environment can create a sociopathic personality.

A bone bruise results from intensive and compressive forces directed at a bone during an injury. Damage to the bone occurs in the interior, or medullary, portion and will often be accompanied by edema and swelling.

At first glance, a sore throat and heart disease may seem to have little to do with each other. However, sore throats can introduce bacteria into the blood stream, leading to certain types of heart disease, according to the National Institutes of Health.