Starvation
Why Losing Weight by Starvation is Unhealthy
The eating disorder anorexia nervosa is marked by self induced starvation diets by its sufferers.
Using starvation to lose weight the body becomes undernourished, not get enough calories to function properly. The body is also malnourished because it is deficient the essential nutrients to function properly.
Those who use starvation for weight loss, regain all of the weight and usually more when they resume normal eating habits.
Lack of energy is least serious consequences of starvation diets which can include a variety if illnesses as well as lowered immune system, weak bones, diminished mental capacity and even death.
Laxatives
Why Laxatives Unhealthy for Weight Loss
Improper use of laxatives can cause short and long term problems. Short term problems associated with laxative abuse include dehydration and hemorrhoids. Long term effects include intestinal paralysis, renal failure, irritable bowel syndrome (IBS) and even pancreatitis.
Purging
Why Purging is Unhealthy for Weight Loss
Purging can lead to many problems the least being malnutrition due to purging the essential nutrients obtained in the diet.
Purging can cause serious problems of the stomach and esophagus such as ulcers, tears and ruptures. It is rare, but chronic purging has been linked to esophageal adenocarcinoma which is an often deadly cancer.
Smoking
Why Smoking is Unhealthy for Weight Loss
Just in case you have been living in a cave, outer space, or under the ocean your whole life, cigarette smoking is the cause of 85% of lung cancer cases. Smoking has so many negative effects on the body, not limited to the heart and lungs making it pointless to list them.
Saunas & Sweat Suits
Why Using Sauna Suits is Considered Unhealthy Ways to Lose Weight
Saunas or sweat suits or both can cause problems which can be deadly. The least dangerous effect of dehydration and increased body temperature can become deadly if it gets out of control.
One extreme example of unhealthy ways to lose weight was a high school wrestler who used multiple unhealthy ways to lose weight in preparation for a wrestling meet.
The student athlete took the dangerous diet supplement ephedrine while he ran stadium steps in a sweat suit in order to make weight for the next day's competition.
He was found dead the next day. Even though he had been dead for over 8 hours, his body temperature was still over 100 degrees.
SOURCE: Askthetrainer.com