Lack of time is the number one reason people give for not exercising. Not getting results once they do start exercising is reason number two. Interval training is a great solution for both of these common problems. Interval training mimics sports' start-and-stop motions. A standard interval training protocol involves alternating rounds of high- and low-intensity. [...]

The Pareto Principle was inspired by the Italian economist Vilfredo Pareto. Pareto was one of the first to analyze economics using statistics. In the late 1800s, he observed that 80 percent of the land in Italy was owned by 20 percent of the population. Later, while gardening, he noted that 20 percent of the peapods [...]