HI I KNOW WHAT U MEAN BY NOT BEING ABLE TO RUN AND EXERCISE AS MUCH AS U WOULD LIKE TO CUZ OF ASTHMA.I'VE BEEN HAVING IT SENCE I WAS ABOUT 5 YRS OLD.WHAT U CAN DO IS WALK AT UR MEDIUM SPEED AND TAKE A WATER BOTTLE WITH U.IF U HAVE ANY ?'S.E-MAIL ME AT POKER11@EV1.NET