Identify the “miracle drug” that Dr. Metzl subscribes to his patients:

Sports medicine doctor Jordan Metzl says he's found a miracle drug that prevents almost every illness, is 100 percent effective, and has very few side effects: exercise. In his new book The Exercise Cure, he prescribes specific cardio and strength training regimens to treat everything from depression and stress to heart disease and diabetes.

Explanation:

yes because there are aliens