Dr. Tommy Kai-nang Leong M.D.

Feeling your hands and feet going numb is a very normal condition that most of us experience at some point or the other. It is a feeling when one cannot feel any sensation in the affected parts of the body. In most cases, numbness or the feeling called ‘pins and needles’ occurs due to a...

What is zinc?Zinc is a mineral that plays an important role in many different chemical reactions in your body. The human body uses this mineral to fight off infections, maintain acid-base balance, promote growth and development, boost antioxidant activity, and regulate gene expression, among...

What is paronychia?Paronychia is a form of skin infection that occurs around the fingernails and toenails. Bacteria, Candida (yeast), or a combination of both microorganisms usually cause this infection. Paronychia may gradually or suddenly develop depending on the root cause of the infection. Its...

Lyme disease is an infectious disease caused by four different species of bacteria. In Europe and Asia, it spreads through Borrelia afzelii and Borrelia garinii, while in the USA, it spreads through Borrelia burgdorferi and Borrelia mayonii. The disease is transmitted to humans via a common...

Dehydration is the term used to describe the state of the human body when it is loses more body fluid than you take in. Body fluid, mainly water, is lost through sweat, tears, vomiting, urine and diarrhea. Dehydration could vary from mild to severe based on a number of factors, such as weather...

Croup is a common viral infection among children. It causes inflammation and swelling of the trachea (windpipe) and larynx (throat). As a result, a barking cough and noisy breathing often occur. Children under five years old are the most susceptible to the condition.Children who contract croup...