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The Power of Genetics


By ToddSmith for ICanDoIt.com
Published on: August 4th, 2009


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Genetics play an infinite role in how lean a person can become.  Studies have shown that if a parent is overweight, the child has a 40% chance of becoming clinically obese.  If both parents are obese, the likelihood goes up to 60%.

There are three factors that contribute to the total number of fat cells in a person’s body:

  1. The amount of fat cells the biological parents have.
  2. The amount of fat gained in the adolescent years.
  3. The amount of weight the mother gains during her 3rd trimester of pregnancy.

If you are “genetically” inclined to be obese, you will have to implement a strong workout regimen coupled with a low calorie diet to overcome any obesity genes.  If you are an overweight teen, you have a 60-70% chance of remaining obese throughout your life.

Some individuals can appear to weigh more because they have more fat cells than others (even if the fat cells are not enlarged).  Contrary, an individual with fewer fat cells can appear leaner even if his/her fat cells are distended with fat. Thus, the more fat cells you have, the more recognizable the weight.

If an individual is genetically predisposed to obesity they will experience more sensitivity to insulin.  Consequently, the greater the amount of fat cells an individual carries, the greater the insulin response to eating carbohydrates.  Obese individuals have higher levels of lipoprotein lipase which causes a dulled heat production in response to food. As a result, it is very difficult for the obese to gain lean muscle mass.

Although it is difficult, it is not impossible.  What will always remain an issue with genetic obesity is that the individual’s body will always try to retain body fat.  Thus, if at anytime there is a falter in the individual’s workout and diet regimen the body will promptly begin storing body fat.  Whereas an “overweight” person who is not genetically predisposed to obesity has a much easier time keeping the weight off during falters in diets and exercise.

Although genetics plays a huge role in obesity, there is also the theory that people who are obese have obese children due to constantly overeating.  Poor eating patterns (lots of sugar, fats, etc…) and inactivity taught to children as they grow will be handed down to their children and it will become a vicious cycle of obesity nonetheless.

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