Common sense on general health and longevity from MSNBC: use the tools you have to hand to live a longer, healthier life. Quote: "[it's] astonishing how many of the ingredients that predict longevity are within your control." This article corresponds to Step 1 in my introduction to healthy life extension. There is far more beyond this that is also within your control! Acting together, we can all help to ensure that the medicine of the near future will help us lead far, far longer, healthier, more active lives.