Healthspan differs from lifespan in that it measures years lived healthfully without developing chronic disease. You can increase healthspan by eating a healthy diet with dark leafy greens and cruciferous vegetables, regularly exercising, not smoking, maintaining a healthy weight, and limiting alcohol consumption.

Among the many cholesterol-lowering supplements touted by vitamin companies, there are four natural remedies for high cholesterol that scientific studies indicate might be worthy of your attention. The question for you is: Is there one that's right for you?

A large body of scientific research supports the idea that cardio exercise is vital to our heart and brain health. But some recent studies help to underscore just why exercise needs to play a role in everyone's life.

As we age, so does our mitochondria, which play a vital role in creating the energy that we need to live. Scientists, however, have discovered that mitochondria can be rejuvenated by increasing a very critical coenzyme, and by activating our so-called "longevity genes."