Have you been to a gathering with ex-classmates who had graduated 20 to 30 years ago? You silently wish that everyone greets you with, “you look just like during school days!” You may notice that some of your friends looked almost the same as their student days, while others aged beyond recognition. All of us age at different rates. It …

Mr Ian Tan, an executive in a chemical company, used to feel disappointed whenever the sun is too hot for him to go out for a cycle. The heat and humidity caused his sensitive skin to flare out and triggered itchiness, scratching and lead to peeling. At 36, his skin started undergoing changes, mainly on his face, stomach and hands. …