What they don't always tell you is that losing weight fast can be dangerous to your health. Of course, it all depends on what you consider 'fast'. For some people, a month would be fast while others see it as something more immediately, like a few days or a week. The most realistic goal would be to lose 15 pounds in a month, because that's far more achievable. Four very common forms of aerobic exercise are: Running Fast walking Cycling Skipping These can be undertaken either outside or on gym equipment like treadmills and exercise bikes. Weight training on the other hand aims to build lean muscle which has a result of burning fat much faster. The more lean muscle you have on your body, the faster you will burn fat and the more calories you'll burn! Muscles weight more than fat, which means as you burn fat doing strength building exercises, you are increasing the muscles in your body. This makes it so that you end up sometimes gaining weight when trying to use strength building exercises when dieting. If you are aiming to burn fat and gain muscle, but are not concerned about weight itself, then this is the way to go. If this individual requires a certain amount of nutrients every day and goes on the Atkins diet, within a week this person can be in serious need of medical attention. It is very important that a doctor be consulted about possible health conditions before going on any diet. If you wish to go on the diet but have a pre-existing condition, you may be able to modify the diet to suit your needs in order to receive the benefits without hurting yourself. A good cleansing of your colon will work miracles in the way you feel and help get rid of a few extra pounds. This article will provide you with some tips that will help you out. Colon cleansing diets have the aim of refreshing and cleaning out your colon and other parts of your insides. The positive effect this has on your body is measured in several different ways. Not only will you add the extra years; but you will have a quality of life, you could never have, when you are carrying all those unnecessary pounds. Of course the most common sense thing for you to do along with exercise is to eat a healthy well balanced diet. Please take notice of the "healthy well balanced diet".