Running Tips for Older Runners - Training Tips to Run Strong as You Age
Recent research also shows that runners wishing to improve their speed should spend at least 80 per cent of their time at low intensity, so beneficial is it to heart, muscle, skeletal and neurological health.
Vybarr Cregan-Reid • Footnotes: How Running Makes Us Human

Today, occasional maximum effort sprints help increase energy levels, improve athletic performance, and minimize the effects of aging by promoting the release of testosterone and human growth hormone (these are beneficial for women as well as men). Once every 7-10 days, when energy and motivation levels are high, choose a simple, brief sprint worko
... See moreMark Sisson • The Primal Blueprint: Reprogram your genes for effortless weight loss, vibrant health, and boundless energy (Primal Blueprint Series)
If longevity researcher Peter Attia could impart a single piece of wisdom, it would be: "To lift weights, and never stop lifting weights." Heavy resistance training protects against accidents, improves the chances of surviving surgery, and wards off almost every major cause of death and decay, from Alzheimers to zoonotic diseases.