Polio – The End of an Era?

What do polio and smallpox have in common? These are both dreaded viral diseases that science has (smallpox) or soon will (polio) completely eliminate from the planet through vaccination. Unlike many viruses that lurk in animal reservoirs, only humans are the natural hosts for both of these viruses. Smallpox virus and poliovirus persist by spreading …

Hayflick’s Lament Revisited

Many of us desire to live longer, but we also want to remain healthy and be physically and mentally strong. Diet, exercise, and lifestyle can contribute to health and longevity, but there is a limit to what even the healthiest of choices can do to stop the biological deterioration of our bodies over time. In …