What is the leading cause of death in the United States for people in their 20s and 30s?

Long-term harmful effects of marijuana use include possible sterility and impotence.

What governs people’s behavior so that they look to conduct themselves in a manner that aligns with their beliefs and what is important to them?

Which of the following foods is the best source of omega-3 fatty acids?

Which of the following statements correctly describes isometric training?

The immune system consists of about a trillion of these cells.

What is the current life expectancy in the United States?

Which activity is low-impact, provides a complete body workout, is a good form of aerobic exercise, and promotes strength development?

Which of the following is not a sign of a heart attack?

Which BMI range corresponds to a low risk for disease and an acceptable percentage of body fat?