Other possibly contributory lifestyle factors include alcohol consumption, stress, diet, exercise, disease, and medication. In summary, the genetic influences on aging may be highly overrated, with lifestyle choices exerting far more important effects on physical aging.
I think it's D. all of the above
Make sure to be careful with residents
1.ask them if they need anything
2.make them feel comfortable
3.make them feel at home
4.make them happy
5.try and include them in as many things u possibly can
Simply going to the doctors for a check up.