- theHurtfulTurkey
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Posted by: A Good Troll
Posted by: theHurtfulTurkey
Roughly 1% of overweight people have a genetic condition which makes it almost impossible to have a low bodyfat %. My mom has done dozens of triathlons and marathons, including Ironman, but is still overweight despite at some points doing 6+ hours of cardio per day because of a thyroid disorder.
Then she eats more than she needs to. Thyroid disorders cause disruption of thyroxine, which regulates basal metabolic rate - resting metabolism.
Resting metabolism can vary person to person by a couple hundred calories burned per day - but cutting calories by a couple hundred calories to put yourself in line with other normal resting metabolic rates is well within the control of the patient.
It is very easy for runners to overeat even after exercise burn, because the body craves cheap, easily broken down calories after exercise.
I'm sure you've seen your mom in front of a bowl of pasta or rice after exercise because those carbs are craved. Those carbs are also high calorie and it is easy to eat more than you just burned.
While training for Ironman (6+ hours of cardio 4/5 days per week), she followed a strict diet with low fat. The purpose of that diet was not to lose weight, though. She has done numerous diets, including Atkins with minimal success. The truth is that simply cutting some calories is not sufficient. When you're burning 2000-3000kc from a workout, it's certainly not "easy to eat more than you just burned".