Fat, 99% cause by bad diet and sports habits.
1. Inappropriate weight loss
There are so many ways to lose fat, and all kinds of unauthentic diet products, it may has amphetamine and other banned drugs; you can lose weight fast but easily hurt your body in long term. The way of diet and fasting are really bad, the defense mechanism of body can reduce the percentage of basic metabolism, when your body lock of calories and nutrition for a long time.
2. Ignore the importance of exercise
Basal metabolism rate is relate with weight、height、gender、age and muscle. And it will be higher with who are men、tall、young with muscle. The energy body needs will be less than fat and lower basal metabolism rate. You should do more sports to burn calories, increase basal metabolism rate; or keep fat if you eating more.
After lose weight you should keep the weight off. The most important thing is a good habit of diet and exercise. Reduce 500 calories intake everyday, and doing exercises.
Firstly, we need to understand the daily calories intake, the follows for your reference:
Estimate necessary calories for a normal person a day (estimate as activity level)
Activity Level required calories in every kilograms of weight
A little 25 Calories/ kilograms
Minor 30Calories/kilograms
Light-to-moderate 35 Calories/kilograms
Severe 40 Calories/kilograms
Activity level described:
A little: sitting still、typing、standing、librarian、operator
Minor: doing housework、office worker、salesperson
Light-to-moderate: nanny、nurse、housewife、waiter
Severe: worker、athlete、movers
Suppose Miss Liang who work in accounting firm is weight 60 kilograms; the method described above, how much calories she needs a day is : 60(kilogram) x 30 Calories/kilograms = 1800 Calories. So it requires calories while lose weight is : 1800 calorie – 500 calorie/day = 1300 calories.