Every morning Buddhist monk Pipit Sarakitwinon takes walks around his temple and does hundreds of arm exercises, part of a new regimen aimed at shedding pounds as a health overhaul for members of the clergy gathers pace in Thailand.Followers have been showering monks - who are deeply respected in the kingdom - with foods loaded with sugar, fat and oil, contributing to a brewing health crisis."Before I started to diet, I could barely walk 100 metres without getting tired", Pipit, 63,