hi! im 42 yrs old female..and im starting to have a healthy body..im staring to go on gym since two months ago..at first i start walking for 15min on threadmill..aerobike for 10min and airwalk for 10min too..and also a little bit f weigth machine for only 10kilo...and lately i start running for 10min...but ofcourse i streching before and after training...but my question is i still dont feel any difference of my body and sometime i alway got cold ...by the way i have panic attack problem that why i start exercise to believe that will heal by this...is there a little paossible that my exercise help me....