Dr. James F. Rivenbark M.D.

Almost every cell in the body has a primary source of energy, which is usually glucose. However, when the body doesn't have enough glucose, the liver responds by producing chemicals known as ketones, converting stored fatty acids into ketone bodies. Ketones are used as a backup fuel source when...

Hormone therapy is often used to relieve menopausal symptoms. However, since estrogen plays a crucial role in maintaining bone health, hormone therapy is another treatment option for osteoporosis.How does hormone therapy work?Following menopause, your body produces less estrogen and progesterone...

Menopause is a normal process resulting from aging, in women. Menopause usually occurs between the ages of 45-years-old and 55-years-old. This is characterized by the cessation of menstruation along with a number of changes in the body, and marks the end of the reproductive period in women.Causes of...

Acute bronchitis may not cause any complications if it occurs the first time in a person. It usually goes away by taking proper rest after about two to three weeks. However, if bronchitis is left untreated, it can affect the respiratory system and damage the airways and lungs. Because of this...

A study published in, American Journal of Preventive Medicine, shows that people who commute long distances to work tend to have poor health. People who traveled more than 15 miles a day were more likely to be obese and had more belly fat, when compared to people who traveled less than 5 miles to...

What does a black stool indicate?A black or dark red-colored stool is called tarry or bloody stools. However, passing dark-colored stools is not always caused by serious problems. One of the most common causes of black stools is the consumption of iron supplements, particularly in people who have...