Is this the year you finally establish a regular exercise program? Exercise is the wonder drug par excellence. We can’t think of a single body system—whether it’s cardiovascular, digestive, neurological, musculoskeletal—you name it, that exercise doesn’t improve. It even makes the senses keener. Yet, only 20 percent of US adults meet the government’s exercise guidelines: 150 minutes a week of moderate aerobic activity (or 75 minutes of vigorous exercise, or an equivalent combination) plus two sessions per week of muscle-strengthening activity. Want a free and easy way to find out how fit you are? Click here. The most convenient and efficient way we’ve found to exercise is rebounding. What's rebounding? Simply bouncing up and down on a specially constructed trampoline called a rebounder. There is no more efficient form of exercise, bar none, because it exercises every single cell in your body simultaneously. One or two 15-minute sessions a day will provide you with…