The Journal of the American Heart Association warned against following some diet regimens in order to lose weight in the long run, although these systems may lead to weight loss quickly at first, but they are not suitable to maintain the required weight in the long run the long
In particular, the American Journal pointed to the results of a recent study showing that the effect of the famous yo-yo (weight fluctuation down and up in the person) is not only to restore unwanted kilograms, but also includes high cholesterol and increased blood pressure.
When following the Crash Diet, very strict diets are adhered to, where less than 1,200 calories are consumed daily, and such a diet is promoted by weight loss of five kilograms per week.
But this diet is not healthy because it leads to a lack of nutrients and loss of muscle mass, which in turn slows the metabolism, and then reduce the daily calorie requirements, and when eating more calories than the value after the end of the diet, the result About that weight gain more than at the beginning of the diet.
If you exclude fats and carbohydrates completely from your diet for a while, you will lose weight, but lose water. The problem when excluding food groups completely is the emergence of symptoms of undernutrition and serious diseases.
The American Journal advised the need to follow a healthy diet balanced, with regular exercise.
Because metabolism slows down from the age of 30, you need fewer calories than you did at the age of 20, so you should exercise regularly.