Having a healthy body shape and weight are important for staying 'young'.
Scientific studies have shown for many years that weight and BMI are good predictors of long term health, and recent research has now shown that people with a healthy body shape in addition to a healthy weight are even more likely to live longer and healthier lives.
What is a healthy body shape?
A healthy body shape is defined by a small waist circumferences in relation to a person's weight and height. Some experts talk about this as "pear" versus "apple" shaped, with people who are "pear shaped" being much healthier than those who are "apple shaped".
How can you achieve a healthy weight and body shape?
The best way to achieve a healthy weight and body shape is through a combination of diet and exercise. Eating less will obviously help you lose weight, but dieting accompanied by exercise helps you to not only lose weight, but also build muscle and encourages preferential fat loss from around the waist, meaning that that any weight loss 'counts double' in the health and 'years off' stakes.