Seems like really bad anxiety, or possibly atrial fibrillation.
True because it can bring more stress from all the work your doing breaking down your body slowly
The answer is A because drug tolerance makes it so you have to take more and more drugs to get the effect you want. Meaning you are more likely to do too much to get your high and overdose.
I don't think you have to put soft padding around the injured part but yes you have to seek medical care and apply ice to the injury
