Dr. Mary Yuh Tang M.D.

What is Smegma?In uncircumcised males, smegma is a sebaceous matter made up of oil and dead skin cells, which accumulates under the foreskin. In females, it accumulates around the folds of the labia. It is not a serious condition and not a sexually transmitted infection. However, a smegma buildup...

What is Lightheadedness?Older adults commonly complain about feeling woozy, lightheaded, or a little faint.The reason may not be something dangerous, but still, if you feel lightheaded, it is better to be careful. Serious injuries due to a fall can result due to lightheadedness even though there...

Croup in AdultsAlthough croup is commonly observed in children who are 6 months to 3 years old, it is also possible for adults to get the infection in rare cases. Croup is a viral respiratory infection caused by human parainfluenza viruses (HPIVs). However, other causes of croup may include...

Diaphragmatic breathing, belly breathing, or abdominal breathing is a popular breathing technique. Breathing, according to this technique, is not only a need but a skill to make life more enjoyable. It is a way to bring in maximum benefits from any physical activity. The movement of the abdomen...

Many consider yoga as a method to stretch and tone the muscles and improve and expand the mind. “The physical benefits of yoga are very often underestimated," says Julie Rudiger, a therapist in Denver. According to her, practicing this activity has helped her to be stronger, more flexible, both...

A warning has been issued by the FDA and the Consumer Product Safety Commission (CPSC) against the use of sleep-positioning devices for babies. About 12 deaths have been reported with the use of these devices in the last 13 years.FDA principal deputy commissioner, Joshua Sharfstein, reported that...