It helps your eyes relax instead of squinting all the time," Graves says, "and that helps relax the rest of your body. Even though Griffey has been a bit slow testing the amber lenses, he was counting the days until a Reds off-day so he could try his gray-green set on the golf course. The gray-greens--used in stationary sports; the ambers are geared for speed sports--allow golfers to better differentiate the shades of green on a course.

Eye exercises. Temperature Training Stress effect: Reduced hand and foot temperature due to constriction of the arteries and the shunting of blood flow away from the extremities. Relax your body, one muscle at a time. Starting with your face, focus on the muscles of your forehead, cheeks and lips. Contract and squeeze tightly, for a slow count of three, before relaxing completely. Follow next with the muscles of your neck, contracting and then