BringBackBuck said:
0% of human obesity is caused by genetics. As per your example: if you eat a bag of chips, you might convert a % to fat, someone else might convert a different % to fat. The fat still comes from eating that pack of chips. That is environment not genetics.
This is false, the way your entire metabolism works is run by genetics, in fact, we can induce obesity in animals by knocking out a single gene, and on the same diet they get remarkably more obese.
The fat doesn't come from the chips alone, it comes from your metabolism.
carbohydrates are usually converted into energy, genetic disorders can shift this balance significantly and send most carbohydrates straight to the fatty acid production cycle.
Luna said:
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If the word 'influenced' rather than 'caused' was used then I'm sure I could agree with this.
You are right, my bad.
That's not what you said. You said obese. Overweight is not the same thing as obese.
Obesity is defined as:
Obesity is an abnormal accumulation of body fat, usually 20% or more over an individual's ideal body weight. Obesity is associated with increased risk of illness, disability, and death.
I guess overweight is used more for the 20% or less type, I figure.
Nimzabaat said:
So how do you catch obesity? Is it a air borne virus? Blood borne? If a fat person bites me do I get obesity? Should I use a condom... Yeah sorry, it's a sore point with me that things are being labelled as "diseases" when they are really just a lack of self control.
By having a genetic defect in one of your many, many metabolic enzymes.
My point is not that "It's a disease, they can't help it."
My point is, some people have a genetic disorder that makes a regular diet enough to make them obese.
Diabetes type II, for example, can be caused by obesity, but can also lead to obesity.
A mutation in mice's insulin receptor gene will cause almost all of their food intake to be directly synthesized into fatty acids.
They will not produce energy, thus cannot "work" it off.
Again, not saying this is the case in all, or even most, obesity cases.
A lot of times it really is just a matter of not working out and bad diets.
But there are numerous cases of obesity induced by genetics.