Why are muscle and fat levels the only factors influencing flexibility impacted by personal decisions? a. muscle and fat levels are mostly determined by heredity. b. age, gender, and joint structure cannot be changed. c. personal decisions have significant impacts on age and gender. d. flexibility is not dependent upon muscle and fat levels.

The affordable care act has expanded mental health and substance abuse benefits to 62 million people and is an addition to the mental health parity act of 2008. the changes and additions require mental health coverage in small group and individual plans where people were not previously covered. what is the biggest benefit of these changes? what major challenges are still associated with mental health coverage? explain your reasoning.