Body odour is a problem faced by a lot of people from all walks of life. It usually arises from the combination of sweat and living bacteria that naturally dwell in the human body. There are certain factors that are usually responsible for triggering it. Thick fabrics, stress, dietary habits that include excess caffeine intake, use of onions and garlic in the daily diet, or excess fat in the body are just a few to name. The most annoying of all body odours are smelly armpits! However, it is usually possible to keep the odour at bay. Here s how we can control it. Daily habits to practise Stay hydrated throughout the day.