It depends on weight, height, bone structure and activities that he is involved in. If he is active, and maintaining a certain healthy weight, then nothing needs to be changed. If weight loss is wanted or needed then combining more activity with less calorie will result in weight loss. There are many factors to take in.
Maintain a 2000 calorie diet.
She should be eating about 1,600 calories a day. To still maintain a healthy level, about 1,000 to 1,200 caloires for a low-calorie diet is pretty good.
A person as young as you should consult a doctor before beginning any sort of diet for your health and safety.
A safe diet for a 65 year old female would be a low fat diet. Fat should be limited to about 55 grams or less per day. Calorie intake should not exceed 1700.
2400mg of sodium is needed for a 2000 calorie diet. If your calorie diet is higher, you may need more sodium.
Excersizing and a healthy diet. (Fruits and Vegitables are good) About a 1500 calorie diet.
1,500-2,000 calories
You should lose about 50 calories in a day if your calorie intake is 1200.
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There are some great diet plans for a 21 year old female. You first have to decide what kind of diet plan you want to go on. There are vegan, no gluten, and calorie diets just to name a few.
35 mins of cardio a day for a year with a 2000 calorie a day diet, you should loose 40-70 lbs
Try doing the HCG diet. It is a really effective and safe way to lose weight fast.