Why do people live longer now?

better health care
people live longer now because the medical developments that helps humanity live more and be stronger, and another reason, is that before now, people didn't have a grocery story where they can buy food constantly, they had to hunt and collect food so they could eat. because of that they didn't have meals all the time and that hurt their bodies.
People are living longer because there is much better health care now days. People Who are ill of near death can be treated.
People are living longer because back then there wasn't much personal hygiene... People are living longer because of better healthcare and better awareness of things that are bad for the body.
People are living longer today because of the advances in medicine and health education and promotion. People have learned that healthier lifestyles and better hygiene equate to longer lifespan. Additionally, with advanced medicine and treatments illnesses that once could lead to death can now be treated.
Some ppl are healty, and that makes their bodies healthy, so it takes the body longer to wear out.
Because of advances in medicene and technology, allowing the average person to live longer.
Statistically, people are not living much longer; human life span is still about the same as it has always been. What has changed is that many more people are surviving to old age, primarily due to improvements in medical diagnosis, treatment and therapy.