Dr. Constance Beth Purser 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...

Recently, there have been serious health issues linked to energy drink.  The ever growing popularity and consumption of these products came on quickly. Are these drinks safe like manufacturers claim them to be?Energy drinks are basically beverages that contain stimulants, like caffeine, and are...

Our body has three types of blood cells: white blood cells, red blood cells, and platelets. White blood cells (WBCs) or leukocytes are the type of cells that fights off infections in our body. The platelets work by helping our blood clot, and the red blood cells (RBCs) are the ones responsible for...

Hyperthyroidism is a health condition in which the body’s metabolism becomes slow, leading to the feeling of fatigue. This is caused by an abnormally low amount of thyroid hormone in the blood. This deficiency is caused by an impaired functioning of the thyroid gland. People may develop this...

Brown fat is a health-friendly fat that helps the body to burn calories, instead of storing the energy as fat. Typically, adults do not have a lot of brown fat. A new study suggests that heart hormones may stimulate the production of brown fat cells. Researchers conducted a study on animals and...

Adrenal fatigue is the name given to a broad spectrum of non-specific symptoms, including fatigue, nervousness, anxiety, and digestive problems. The condition is not a medical diagnosis and the term is not medically accepted. In general, it refers to the theory that these symptoms are caused by poor...