Someone of 50 kilos and 1.37m may be healthy on a bmi calculator.
However you state that someone of 1.8m can be fifty kilos and healthy. I will argue the point that fifty kilos for 1.8m is extremely unhealthy, according to NHS. I now train a lot for racing and am around about 1.8 m and weigh in at 79 kilos. Overweight/unhealthy. However my body fat is 8%, which is not anywhere near overweight. Point being, BMI calculators are a very rough guide, many people are different and can be extremely light or heavy for many different reasons even if they follow a healthy diet and lifestyle. To hear that kids of a young age are at a good healthy weight and are now trying to lose weight is ridiculous. I myself have always been relatively heavy and tried to make the junior 127 weight a couple of years ago and went on a crash diet when i realistically was an intermediate, this was unrealistic due to my height and build. My parents had no knowledge of this and took me to the doctor following rapid weight loss. Most of the weight i lost was muscle because of the calorie deficit i put myself in, my driving was atrocious, i found it extremely hard to concentrate and i was constantly feeling light-headed. I will also argue a driver on a crash diet will drive more inconsistently than a driver on a proper diet.
Children below 16 shouldn't be on a calorie deficit due to them still growing, after the experience i had, if the diet is forced on them, i would say it could be considered cruelty.
I fully agree with youngsters following a healthy diet and lifestyle via cardiovascular exercise, however i disagree with them crash dieting to make a ridiculous weight.
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