Losing weight and eating healthy foods go hand-in-hand, and if most of your grocery store purchases are prepackaged or prepared foods, you might be consuming food additives that aren't doing your waistline any favors. The best way to avoid this is to stick to as many whole, unprepared ingredients as possible and to cook your food at home. That way, you know what's going into your meals.
In 2008 between US$33 billion and $55 billion was spent annually in the US on weight-loss products and services, including medical procedures and pharmaceuticals, with weight-loss centers taking between 6 and 12 percent of total annual expenditure. Over $1.6 billion a year was spent on weight-loss supplements. About 70 percent of Americans' dieting attempts are of a self-help nature.
One study showed that older women who lost at least 5% of their body weight lowered their chances of breast cancer by 12%. There’s no such clear proof that losing weight protects you from other types, but some changes that happen when you shed pounds hint that it might. For example, overweight people who slim down have lower levels of some hormones linked to cancer, like estrogens, insulin, and androgens.