Building muscle, bad? Jun 2, 2013 20:20:38 GMT 5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by wild7 on Jun 2, 2013 20:20:38 GMT 5 Building muscle causes your Body Mass Index to rise, isn't that a bad thing and many people try to lose some weight to get their BMI in control. I am lifting weights a lot and concerned that it may serious raise my BMI. Any advice?