Dr. Mark M Walsh MD

In 1947, the Zika virus was discovered and got its name from Uganda’s Zika Forest. The first human case of Zika was identified in 1952. Since then, outbreaks of the virus were reported in the Southeast Asia, the Pacific Islands, and Africa, although it was possible for Zika outbreaks to happen in...

Walking is one of the simplest forms of exercise and does not require any equipment, other than a pair of good shoes.Julia Valentour, MS, exercise physiologist and program coordinator for the American Council on Exercise, suggests that exercise doesn't have to be hard to be very effective. If a...

IntroductionA dry cough is a type of cough that does not accompany the production of mucus or phlegm. Most cases of dry cough are caused by certain allergic reactions from allergens, such as pollutants, dust, or toxins. The body usually tries to expel these irritants by coughing it out. In some...

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

IntroductionAlthough doctors have the best intentions, it does not always mean that they will perfectly recognize their patient’s greatest need. For this reason, patients also need to take an active role when it comes to communicating with their doctor.One of the best ways to make sure that...

Researchers have identified a new way to identify the father from the fetal DNA by the eighth week of pregnancy. This new method is reported in the, New England Journal of Medicine. Peter Benn, PhD, director of the diagnostic medical genetics laboratories at the University of Connecticut Health...