Mike was always interested in being popular, so during his sophomore year in high school he began to use marijuana so he would fit in. After using it for little over a year, he began to need it to relax, and he also had to use more of it to get the same effect. He then started to use cocaine to get the same effect. He noticed that when he was not under the influence of the drug, he felt irritable and anxious. Judging only from what you know of Mike, what risk factor played the biggest role in the development of his addiction?

Rachel wants to improve her body composition by reducing her bmi. she swims with her friends after school two days a week and eats a well-balanced diet. what else should she do to ensure that she properly applies all the necessary fitt principles in her plan? a. she should add more cardiovascular training and weight training to her exercise routine and eat several low-calorie meals throughout the day. b. she should increase her swimming workouts to five days a week and eat a high-calorie diet that equals 2,500 calories. c. she should add a few days of weight training to her exercise routine and consume 4,000 calories a day. d. she should eat a high-protein, low-carbohydrate diet and add five days of weight training to her exercise routine. select the best answer from the choices provided. a b c d mark this and return