Dr. Elizabeth S Powers M.D.

Chickenpox is an infectious disease caused by varicella zoster virus. It is very common among children but may affect adults also. Infection by this virus causes red blisters in different parts of the body. This skin condition has become less common with the advent of chickenpox vaccination. The...

What Are Petechiae?Petechiae can be described as marks or blotches that normally appear on the skin and are tiny, round, and purplish or reddish in color. Petechiae are usually pinpoint-sized. Minor hemorrhage (bleeding that is localized below the skin) is the source of petechiae.Although they...

Hashimoto’s thyroiditis is an autoimmune disease, wherein the immune system turns against the body's healthy cells. In people with Hashimoto’s disease, their immune system attacks the thyroid gland. The thyroid gland is a small gland located at the base of the neck just below the Adam's apple....

Hypothyroidism is a disease that affects the metabolic rate and energy levels of the body. It is characterized by a defect in the thyroid gland that reduces the production of thyroid hormones, the hormones responsible for regulating the metabolism of the body. Hypothyroidism is characterized by...

What is yawning?Usually, yawning is associated with boredom, fatigue, and tiredness. Yawning is also very common in animals, such as dogs, monkeys, snakes, and carnivores. Yawning is also associated with numerous superstitious beliefs.In humans, yawning is considered as a purposeful non-verbal...

Hypothyroidism refers to the medical condition in which the thyroid gland is unable to produce an adequate amount of hormones. These hormones are extremely important in various body functions. Low levels of thyroid hormone may result in the characteristic symptoms of hypothyroidism. This condition...