According to the u. s. department of health and human services, how is fitness defined? what are some issues with this definition?

Being physically active is one of the most important steps that Americans of all ages can take to improve their health. The 2008 Physical Activity Guidelines for Americans provides science-based guidance to help Americans aged 6 and older improve their health through appropriate physical activity.

The U.S. Department of Health and Human Services (HHS) issues the Physical Activity Guidelines for Americans. The content of the Physical Activity Guidelines complements the Dietary Guidelines for Americans, a joint effort of HHS and the U.S. Department of Agriculture (USDA). Together, the two documents provide guidance on the importance of being physically active and eating a healthy diet to promote good health and reduce the risk of chronic diseases.

a. steroid--> influences moods in the limbic system

b. inhalant--> dissolves fatty tissue in the brain

c. marijuana--> changes how the hippocampus processes sensations