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Why did you post this to Brainly? This is a personal question. We shouldn be answering that.
Some health issues that i have seen for seniors is lung caner becasue of smoking. There is really no way of stoping it. Evening if telling them what is really going to happen. they act like it is not a big deal. But it really is. They are putting their life in danger. We got to figure out how to stop it.\
Some seniors face the flu and it is flu season. One way to addres this is to not let them go out defentily if they have a weak ammiune system they could get hurt.