Please consult your physician for safety  before starting any exercise program.  Would you like an exercise routine that expends maximum calories, increases immune system function, calms anxiety, depression, and overall moodiness?  If so, invest yourself in a T'ai Chi exercise session.  Approved by Evangelical Christian leaders  as  not having hidden demonic worship, this ancient Chinese soft martial arts regimen may be your niche.  Research has stated long-term practice of T'ai Chi has demonstrated that one's ability to reverse the reactions to stress, stiffness, and balance difficulties are achieved by the open hand and body pushin movements that create optimum circulation within the body.  many T'ai Chi  Videos, DVD's and Books are available on ebay.