Discussion Question
Your comments will be graded on how well they meet the Discussion Requirements posted under "Before You Begin."
Twin brothers living in the same household have almost the same lifestyle. They eat the same food, exercise five times a week, and meditate regularly. However, the younger twin learned recently that he has been diagnosed with lung disease. Based on your readings and research so far, what could have contributed to this diagnosis? Provide in-text citation(s) to support your explanation.