We're constantly told that running will ruin our knees and outrage our hearts, but for nearly all of human existence, it was associated with freedom, vitality, and eternal youth.

Deny your nature, and it will erupt in some other, uglier way.

human urine is both nutrient-rich and an effective tooth whitener

The only way to truly conquer something, as every great philosopher and geneticist will tell you, is to love it.

The words of the social critic Eric Hoffer were ringing true: "Every great cause begins as a movement, becomes a business, and turns into a racket."

Running is the heart of what it means to be human.

We're constantly told that running will ruin our knees and outrage our hearts, but for nearly all of human existence, it was associated with freedom, vitality, and eternal youth.