Try to do at least 30 minutes of moderate-intensity aerobic exercise, such as a fast walk or a low-impact aerobic class, five days a week. Additionally, you want to work out all the major muscle groups with strength-training exercises, such as lifting weights or using a resistance band, for 30 minutes two days a week. As you lose weight and your fitness level improves, you may want to increase your exercise to up to 60 minutes a day to burn more calories, but with your doctor's permission and supervision.
People can be easily confused or misled by questionable nutrition and diet advice on the Internet. A new resource co-developed by the Harvard T.H. Chan School of Public Health offers advice on how to identify trustworthy research about healthy food choices. Some of the key attributes of high-quality nutrition research are studies that include large numbers of human participants (not animals) who are followed over many years. The best—those that assign people to different diets and track them over time—are difficult to carry out because people don’t always stick to the diet. (Locked) More »