Laxatives are products meant to help people who have constipation. It usually comes in pill form and helps speed up the process of having a bowel movement. Many people use laxatives for weight loss, even though it is a dangerous behavior. If laxatives are used as a weight loss product, the person using them could expose themselves to such diseases as bulimia and anorexia. There are other serious health risks as well. If used too long for the purpose of weight loss, the laxatives could cause the inability to control bowel movements and damage the rectal area. Eventually, the user will be immune to the effects of the laxatives.