Dr. Ellen Cy Kwan MD

In the early 19th to the 20th century, parents would have been surprised to know that future generations would be free from childhood diseases. Diphtheria was then one of the most common diseases that took the lives of thousands of children, while polio left thousands of children crippled. Measles...

Introduction Rheumatoid arthritis causes inflammation of the joints and other body areas. It is an autoimmune disease and its symptoms include:...

Bacteria are microorganisms that thrive in the environment, but they are not always harmful. There are a number of vital functions that are performed by bacteria, which are essential for our day-to-day living. However, sometimes, these bacteria may leave harmful strains on or inside our body. When...

Blisters can occur for numerous reasons. Although they are not often serious, the appearance of blisters itself can be very off-putting. A blister is a fluid-filled bubble that develops under the skin. The watery liquid under the blister is often clear, which is called serum.When blisters break, the...

Our ear consists of three parts: the outer ear, the middle ear, and the inner ear. Infections can occur in any part of the ear, but middle ear infections are the most common. The middle ear is the part of your ear located between your eardrums and inner ear. It is the air-filled space that contains...

Introduction Excessive sweating is often discomforting and a hassle. Do you sweat more than other people and wondering why? Do you excessively sweat when you barely start walking or carrying out any physical activity within five minutes? Do you have the tendency of wiping your hands every time you...