"If that stubborn body fat isn't going away, consider adding High-Intensity-Interval-Training or HIIT to your exercise routine," says Professor Zeljko Pedisic of Victoria University, Melbourne. HIIT increases fat burning more than aerobic exercise, finds a study published in the British Journal of Sports Medicine. How was the study conducted? Authors of the study pooled results from 18 controlled intervention trials on the effects of HIIT on the rate of fat burning during exercise. The intervention trials included a total of 511 adult participants who were engaged in supervised HIIT, moderate-intensity aerobic exercise, or a non-exercising control group. The duration of...