Dr. Stephen S Luk M.D.

Summer means a lot of fun yet a lot of sun. For families with kids, summer is always the best time to go on trips and vacations. But for people with lupus, summer can mean more pain and discomfort. Fortunately, you can keep lupus at bay while traveling. Enjoying summer with lupus is entirely within...

IntroductionExtrinsic motivation is defined as a reward-driven behavior and is considered as a type of operant conditioning, which is a form of behavior modification that would make use of rewards and punishments. When we talk about extrinsic motivation, it involves the use of rewards or other...

A new study has shown that weight, sleeping disorders, and inability to learn are all linked with each other in children. A child who is overweight and who does not get enough sleep may have difficulty learning. Moreover, a child who has learning disabilities has a higher risk of developing obesity...

Here is an eye opening statistic. Approximately 85% of women who are sexually active and do not use contraception, will get pregnant in the first year.  Despite the myths, yes, women can get pregnant about 10 days of giving birth, while breast feeding and during menstruation. If getting pregnant...

Cholera is a very dangerous disease, which is caused by the bacterium called Vibrio cholerae. Someone infected with cholera experiences painless and watery diarrhea. Due to continuous diarrhea, one is likely to develop dehydration which can result in death. Many people who get cholera happen to...

What is eye melanoma?Eye melanoma is also known as ocular melanoma. It is a type of cancer that develops in the eye, from the melanin-producing cells.Melanoma is a type of malignant cancer that develops in the melanin-producing cells all over the human body. Melanin-producing cells are known for the...