Losing weight can often help people to look considerably younger particularly if the weight loss has been associated with a good fitness program. To effectively lose weight a good diet needs to be followed and any form of fitness training will make the progress a lot quicker.
One of the benefits of losing weight using good diet and exercise is the improvement that you can expect in the condition of your skin and as the skin is the biggest display of aging it is inevitable that you will look younger.
The exercise will firm the muscles under the skin and the diet will be supplying better nutrients to the skin and help increase healthy circulation which is essential if you want to look good. With sufficient water in the diet the skin will remain hydrated and not become dry and lifeless.
You should always do everything in moderation as sudden weight loss can have a negative affect on the way you look as skin can become baggy when body weight is lost too fast. If you lose weight gradually and use some form of resistance training to help with this weight loss you will also give your skin the chance to adapt and become firmer.
Certain areas of the body can be very aging when there is a little too much body fat in that region. Having flabby triceps or too much fat around the waist will make most people look older as will a double chin.
While it is not possible to spot reduce fat, by reducing the percentage of body fat as a whole those areas will improve and targeting them with specific exercises will help to tone the muscles in that area improving them even further.