Great "hot tips"

105 overweight people were asked to track their food intake via an app. Even those who didn’t follow a particular diet plan lost weight.

Although Americans spend $33 billion each year on weight-loss products, nearly two-thirds are overweight or obese. Many try to lose weight.

Studies show that adding weights to your exercise routine and eating protein can help keep your metabolism high, build and maintain muscles.

Here are five pieces of advice that will change your life by getting you healthier and more fit.