What It Takes to Burn 100 Calories

Typing, talking on the phone, and having a lunch meeting are barely better at burning fat than lying quietly and watching TV. (In fact, desk work only burns about 30 more calories per hour). Sitting all day is disastrous healthwise and increases your risk of death from any cause by 24 percent (even if you work out that day), suggests new research. Working from a treadmill desk, on the other hand, will burn 100 calories in 41 minutes.