Answer: According to the World Health Organization, a healthy adult should do at least 150 minutes of moderate-intensity aerobic exercises OR 75 minutes of high-intensity aerobic exercises during the week. It is also possible to mix both intensities up to 300 minutes of moderate-intensity or 150 minutes of high-intensity exercises.
A few examples of moderate-intesity aerobic exercises are dancing, playing tennis, cycling, etc. High-intensity aerobic exercises are running, hiking, swimming, jumping rope, among others.
For example, people who have anorexia severely reduce their food intake to lose weight. People who have bulimia eat an excessive amount of food in a short period of time, then purge or use other methods to prevent weight gain.