3. Define "healthy risk-taking behavior" and "unhealthy risk-taking behavior." Pick one type of unhealthy risk-taking behavior and describe how that behavior might contribute to specific injuries.

answer; genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes;

answer; eat a strict gluten-free diet;

c. the runner should sprint as fast as possible to the finish line.