Dr. James Song-jeng Yeh M.D.

What is athlete’s foot?Athlete’s foot is a type of fungal infection that affects the feet or toes. This fungal infection is medically known as tinea pedis. The fungus that causes the infection usually feeds on keratin or the skin protein. Keratin is found in the skin's top layer, including...

Age-related macular degeneration is a common eye condition that affects macula, a small part at the back of the eye. Macula is the area of eye that helps us to differentiate the finer details. Damage to macula leads to gradual blurring of central vision. Macular degeneration impairs sharp vision and...

Nausea is an uncomfortable feeling and a cause for concern if it constantly occurs. It can be a warning sign of disease or a medical condition that may require immediate attention. However, not all cases of nausea are a sign of an underlying illness. There are numerous reasons that an individual can...

Syphilis is a sexually transmitted disease (STD) that can cause serious health problems when left untreated. This is caused by a type of bacteria known as Treponema pallidum. This disease can be treated easily in its earlier stage with the right medication. Early diagnosis and knowing the early...

Whether you are beauty conscious or not, dark circles under your eyes is a concern. These dark marks are sure to take away the fresh look from the face. It may even make you look ill. One of the most common causes of darkness under the eyes is the presence of excessive fluid beneath the soft skin...

Sepsis is a serious medical condition characterized by an exaggerated immune response towards an infection. This response causes the release of chemicals, which results in widespread inflammation and blood clotting in different parts of the body. Sepsis may result in sudden drop in the blood...