It is a very interesting fact to know that you can lose your weight by taking low-calorie diet for few weeks. If your Body mass index is more than 30, you can start taking low-calorie diet for weight loss. On an average, you can lose around 3 to 4 pounds over a span of 12 weeks. Losing weight in such a manner may lessen the complications of other medical conditions like blood pressure, stroke, and diabetes. You will remain fit in the coming months and the most important thing is you will be able to lose weight without spending a single penny.

But the question is how safe is for the body to continue with low-calorie diet for months and round the year? In the long-run modest diet with regular physical activities is more effective that having regular low-calorie diet, doctors say so. In general, low-calorie diets are not safe under certain conditions. If a person is overweight, but not obese, having a BMI of 27-30, then he or she must avoid low-calorie diet. Still if he wants to go for it, then it must be done under medical supervision. Doctors will keep a check on the patient so that nothing unusual happens to him or her.

If a woman is pregnant or is doing breastfeeding for her child, then she must avoid low-calorie diet. Low-calorie diet is good for those people around the age of 50 who are in need for it due to some unexpected medical conditions. People having low-calorie diet for months are found to be suffering from constipation, diarrhea, fatigue and nausea. People who have continued with low-calorie diet round the year are found to have developed gallbladder stones and had to go for surgery. So one can start having low-calorie diet but with the advice of doctors only.