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Like many other medical conditions, obesity is the result of an interplay between environmental and genetic factors. [2] [3] Studies have identified variants in several genes that may contribute to weight gain and body fat distribution, although only in a few cases are genes the primary cause of obesity. [4] [5]
How fat cells affect weight loss, weight gain. ... “Losing weight or holding on to weight does have a genetic component, but most people can push through that and when cutting back on calories, ...
The extreme endpoint of this distribution are the so-called 'monogenic' obesities where most of the impact on body weight can be tied to a mutation in a single gene that runs in a single family. The classic example of such a genetic effect is the presence of mutations in the leptin gene. [29]
1. Diet. Being in a calorie surplus — consuming more calories than you burn — can lead to overall weight gain and increase your chances of developing belly fat.
Gene–environment correlations (or rGE) is correlation of two traits, e.g. height and weight, which would mean that when one changes, so does the other. Gene–environment correlations can arise by both causal and non-causal mechanisms. [1] Of principal interest are those causal mechanisms which indicate genetic control over environmental ...
Yes, weight is linked to chronic diseases like type 2 diabetes, heart disease, fatty liver, kidney disease and stroke, but it is hard to establish a cause-and-effect relationship between weight ...
Weight gain is an increase in body weight. This can involve an increase in muscle mass , fat deposits , excess fluids such as water or other factors. Weight gain can be a symptom of a serious medical condition.
Sudden weight gain can be an early symptom of heart failure, according to the American Heart Association. Weight gain of more than two or three pounds within a 24 hour period may be a sign your ...