Treating old constipation through any home remedies? Constipation as old as 2-3 years, lack of bowel movements, feeling lethargic, using laxatives.

Eat more fiber. Eat more fiber, eat more vegetables, if you up the amount of vegetables and natural fiber you eat, you should have no problem having bowel movements. Also exercising should help. If your diet is more than 25% fresh whole vegetables, raw or cooked, and you still don't have bowel movements you might need some tests to figure out why.