Earlier this year, a study revealed that one in five of us has inherited 'unfitness genes' that mean no matter how often we pound the treadmill, we'll still be out of puff.
Earlier this year, astudyrevealed that one in five ofus hasinherited 'unfitnessgenes' thatmeanno matterhowoftenwe pound thetreadmill, we'll still be out of puff.