Which list includes only life style factors that people can change to improve their health

Based on the chart, what are the three most effective methods to protect against pregnancy?

Which of the following is not a symptom of chronic fatigue syndrome a) pain in joints with swelling b) low-grade fever c) unexplainable muscle weakness or pain d) forgetfulness, irritability, and confusion

Why does the body need calcium and what are the symptoms of calcium deficiency?