Dr. Frank Qian Zhan M.D.

1. Sugar: According to research, high glycemic index (GI) foods (sugary foods) cause the body to produce a hormone called insulin-like growth factor 1 (IGF-1). This hormone tells the body to produce more sebum, which makes the acne worse. It makes pores appear larger as well. So simply switching...

WhiteheadsWhiteheads are small white-colored blemishes on the skin, which result when the hair follicles get clogged with sebum (natural oil secreted by the skin’s sebaceous glands) and dead skin cells. Your skin needs a certain amount of natural oil to lubricate and protect itself. However, when...

Under eye bags, a very common sign of aging, refer to the swollen regions under the eyes that give a puffy appearance. The skin under the eyes is very thin and is easily affected by the flow of fluids. Fluid retention is one of the common causes of under eye bags. These delicate tissues and muscles...

What is nodular melanoma?Nodular melanoma is one of the five subgroups of melanoma. It usually develops in the cells of the skin that produce the pigment called melanin, which gives the skin its color. Approximately 15 percent of melanoma cases are nodular melanoma and is the most aggressive...

The black widow spider is one of the most poisonous spiders often seen in North America. These spiders thrive at moderate temperatures and are mostly found in the south and western US regions.They are often found in places surrounded by bushes, open areas such as outdoor bathrooms and toilets, open...

PurpuraPurpura refers to purple-colored spots that are usually seen on the skin, including mucous membranes and other organs. It is also called skin hemorrhages or blood spots.Purpura is usually recognized when there is pooling of blood under the skin due to ruptured small blood vessels. The size of...