I would think it would be full body exercises because you are covering the entire body but I'm not too sure. I can't really see how it would help your immune system because the immune system is what protects your body from disease, virus, etc...
Answer: This is known as RISK ASSESSMENT.
Risk assessment can be defined as the determination of the potential impact of an individual risk by measuring or otherwise assessing both the likelihood that it will occur and the impact if it should occur, and then combining the result according to an agreed rule to give a single measure of potential impact.
Answer:
cause it makes people unhealthy
Explanation:
simple just define it.