A team of researchers at Albert Einstein College of Medicine in their latest research have found that stem cells in the brain's hypothalamus control the ageing factor of the body. These foundings can be useful in overcome diseases related to age factor and can also help in increasing the lifespan.
Source: Nature Journal
What was the function of these stem cells in the hypothalamus that causes them to control what you call the 'ageing factor'? Also what exactly is the 'ageing factor' of the body?
You can find all these details by reading this article ..http://www.nature.com/nature/journal/vaop/ncurrent/full/nature23102.html