Fasting on a schedule

Eating less is the best-tested and surest way to a younger body and an increased life span.  But it’s a hard discipline to maintain, and many of us would welcome an easier alternative.  Perhaps we can realize some of the benefits applying a more temporary exercise of willpower, with intermittent fasting.  It’s counter-intuitive, but seems … Read more

Multi-level Selection and the Evolution of Aging, II

Last week we talked about a wrong turn taken by 20th Century evolutionary theory.  Foundation for the theory was laid in the 1930s in a model put forward by a towering figure of statistical science, R. A. Fisher.  Fisher’s model was based upon competition among individual genes distributed through members of a breeding population.  He … Read more

Multi-level Selection and the Evolution of Aging, I

Darwin’s legacy, his gift to science is the idea of a creative competition that selects the strong, the robust, the fertile, and thereby ratchets the complexity of life. But does this contest take place one individual against another?  Or more collectively, species against species?  Do whole ecosystems compete with other ecosystems, or is it “every … Read more

The immune system protects us against cancer

For decades, we have been treating cancer by hammering away at cancer cells with radiation and chemical poisons.  Fearful that even one surviving cell can seed a recurrence, we routinely apply the maximum tolerable dose, with side-effects ranging from nausea and hair loss to permanent impairment of the immune system.  Is there a better approach? … Read more