Why are hamstring injuries so problematic

Amy gained cardiovascular health benefits from running consistently over the past year. now she runs inconsistently and has lost some of those health benefits. this principle is known as?

What is the difference between drug misuse and drug abuse?

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.