• Children and adolescents who eat a healthful diet are more likely to reach and maintain a healthy weight, achieve normal growth and development, and have strong immune systems.

  • Children and adolescents who get regular physical activity have improved muscle development, bone health, and heart health.

  • Children and adolescents who are overweight or obese are at increased risk for developing diabetes and heart disease; they are also likely to stay overweight or obese into adulthood, placing them at increased risk for serious chronic diseases.

  • Adults who eat a healthful diet and stay physically active can decrease their risk of a number of adult-onset health conditions and diseases, including heart disease and diabetes.

  • Regular physical activity can lower an adult’s risk of depression.

  • Adults who maintain a healthy weight are less likely to die prematurely.



Good nutrition, adequate physical activity, and a healthy body weight are essential parts of a person’s overall health and well-being. Together, they can help decrease a person’s risk of developing serious health conditions such as high blood pressure, high cholesterol, diabetes, heart disease, stroke, and cancer. A healthful diet, regular physical activity, and achieving and maintaining a healthy weight also are critical to managing existing health conditions to improve quality of life.


  • Good nutrition helps pregnant women support the healthy development of their infants.

  • Regular physical activity throughout pregnancy can help women control their weight, make labor more comfortable, and reduce their risk of postpartum depression.

  • Staying at a healthy body weight can help women reduce their risk of complications during pregnancy.

Nutrition, Physical Activity, and Obesity