Dr. David Michael Bird M.D.

What are inverted nipples?Inverted nipples, also called as nipple retraction, nipple inversion, or invaginated nipple, is a condition in which the nipples point inward instead of out. In some women, nipple retraction can be present at birth. In some cases, the condition may develop due to trauma or...

What is leukopenia?White blood cells (WBCs) are an important part of the immune system, which is why they are called as "fighter cells". There are five different types of white blood cells (WBCs) in our body. They are neutrophils, eosinophils, basophils, monocytes, and lymphocytes. Each type of WBC...

Experts are of the opinion that the type of food an individual eats may affect the looks of the person. Many of the components in the diet may aid in chronic inflammation, a condition that expedites aging. Thus, eating certain foods may make the person look much older than he or she actually is....

Most of fad diets that are popular do help in reducing body weight, but they make you feel hungry. Often, people who are on crash diets regain the weight lost once they are back on the track of their normal diet. Experts are of the opinion that one can definitely lose weight by just modifying his or...

IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

What is vitamin D?Vitamin D is an important element to building strong and healthy bones as well as good overall health. It is also a vital nutrient that makes sure that the brain, lungs, heart, and muscles function well.Vitamin D is a fat-soluble vitamin. The body can make its own vitamin D when...