At some point or another everyone will have to retire which means that they are at an age where they can no longer take care of themselves in the same way that some other people are able to. This is especially true when you are working your whole life because working this much can lead to all kinds of unnecessary stressors that will pile up and cause health problems that would be near impossible to overcome once the age of retirement is upon you and you need to start using medicare in retirement which can be quite useful but is still not enough to maintain a good level of health.
If you want tips on how you can keep your parents healthy during their retirement, you should seriously consider figuring out how you can get them to take part in more exercise. The more exercise they take part in, the higher the chances that their lifespan would be extended quite drastically, and the lower the likelihood will be that they will require any serious medical attention anytime soon thereby creating less of a strain on the medicare budget.
You also need to pay attention to the foods that your parents are eating because you are what you eat at the end of the day. Foods that are low in fat are very important at this age because high fat quantities can prove to be disastrous to senior citizens. Lowering sugar consumption is also necessary, but for the most part if you cut a lot of fat from their diets then they will probably start to lead much healthier lives than might have been the case if they continued to eat poorly in every way.