Lots of people say they'd like to live longer. So longevity has been studied extensively, and a vast number of correlations have been found. The list literally goes on and on and on. This doesn't mean anyone has discovered the cure for death, and these correlations often have no causation logic behind them whatsoever. Drink a glass of wine every day, eat no meat, restrict your calories drastically, and read some of these other correlations.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post