Test your weight loss smarts

True or False:

1. Sleep deprivation may increase your waistline
2. Jogging burns more calories than swimming
3. You BMI is the best indicator of whether you’re overweight

Often, it’s the little-known facts like these that can make a huge difference in your life. The consumer reports on health brings you objective facts to help you make smart decisions about your health.

1. True. Sleep deprivation significantly raises the appetite-boosting hormone ghrelin, while lowering the hunger-reducing hormone, leptin.
2. False. Both swimming and jogging burn about the same amount of calories. Swimming is easier on the hips and knees, but jogging helps protect against osteoporosis.
3. False. Your BMI (body mass index) number is not the best indicator of being overweight. It has several problems, including not being able to distinguish muscle from fat.