The young person or child's peers and surroundings. They could be paying attention to everyone and everything around them who is daring, taking it in and wanting to try it. Or having a childhood's worth of overprotectiveness and wanting to break out of that.
Answer:
High blood pressure forces your heart to work harder to pump blood to the rest of your body. This causes part of your heart (left ventricle) to thicken. A thickened left ventricle increases your risk of heart attack, heart failure and sudden cardiac death. Heart failure.
Answer:
The risk factor is that he is going to keep going, not focus on his work, and have health problems.
Explanation:
Mike is going to need to go to an addiction center to remove his addiction. Since he used the drug, lots of damage is already done to his lungs. His health is not going to recover unless he quits. If he continues to do it, he will eventually die a earlier death. The risk factor is his health deterioration.