Starre Vartan is the author of “The Stronger Sex: What Science Tells Us About the Power of the Female Body.” For centuries, the image of bodily power has been an image of men, mostly one made by men.

New research reveals that women achieve equal or greater protection from coronary heart disease and death with far less exercise than men, pointing to the need for personalized, sex-specific activity ...

It’s hardly radical to say that women’s bodies are inherently smaller and weaker than men’s bodies—but research compiled in Starre Vartan’s illuminating new book The Stronger Sex: What Science Tells ...