Mary is 15 years old and has just joined her high school swim team. after the first three months of training and competing, her coach sends the team for mandatory physical examinations and routine blood tests. when mary got home, she told her mom that she has sports anemia. why shouldn’t mary begin taking iron supplements as a way to treat this condition?

In a study, people were asked to imagine simple occasions that made them happy and to remember events that made them feel proud about themselves. it was observed that the subjects developed an increasingly positive attitude. these changes are known to be healthy, leading to greater physical activity and reducing unhealthy habits. based on this excerpt, we can conclude that a positive attitude .