This is called a plateau and further weight loss can be difficult to achieve without help. Pros and cons of a low-calorie dietPros:-- You will be able to quickly lose a few pounds-- Some clinical studies suggest that people who follow a calorie restriction lifestyle can increase their lifespan-- You will save money at the supermarket while eating fewer calories Cons: -- Weight loss is not permanent and can return when you stop the diet -- Following a low-calorie diet for long periods of time can put a strain on the heart and nervous system, especially in conjunction with an extensive exercise program-- Common side effects are fatigue, unstable blood sugar levels, and mood swings-- Contrary to some clinical studies, there is inconclusive scientific evidence to support the lifespan-increasing theory of a person-- A low-calorie diet any results in the wasting of muscle tissue-- Most of the weight you lose is not fat, it is more in the form of water and muscle