12.30 p.m. is usually the time I leave my workstation and head to the office cafeteria for a quick lunch, post-which I step outside for a short walk around the office block. It's a routine I’ve been following on most workdays  for nearly a decade.   Sometimes, I utilise my lunch break to talk to colleagues, catch up on news, read a book on my tablet, listen to music or solve crosswords.   Of all these activities, I enjoy taking walks the most. It has become an essential part