Dr. Stephen Wen-yan Chi MD

What is shivering?Exposure to cold or rapid shifts in temperature usually causes uncontrollable shivering. However, many other possible causes can cause shivering or chills. An uncontrollable shivering that persists for a longer time may indicate an underlying illness that requires immediate medical...

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...

What is Vistaril (hydroxyzine)?Vistaril is a medication used to reduce central nervous system activity. It is an antihistamine drug that can help reduce the effects of histamine in the body and relieve symptoms of allergy, such as histamine-induced itch, hives, and contact dermatitis.Vistaril is...

Empathetic behavior and body language are both associated with genetic variations, according to a study published in, Proceedings of the National Academy of Sciences. Thus, a smile or nod of empathy may explain the type of genes the individual has. Individuals who display more empathetic behavior...

Robert O. Atlas, MD, O.B.G.Y.N., chair of the department of obstetrics and gynecology at Mercy Medical Center in Baltimore, is of the opinion that when a woman can resume exercise depends on the individual. Some new moms are ready within two weeks while some others may take a month or so to get back...

Hiccups refer to the sudden spasms of the diaphragm, the muscle present at the base of the lungs that separates the chest and abdomen. These spasms result in the closure of the vocal cords, which produces the characteristic ‘hic’ sound of hiccups. Fortunately these bothersome contractions are...