Can eating less improve your health? There are several studies that prove that consuming fewer calories may improve health span, influence biological pathways for healthy ageing, and improve mental ...

You’re reading Open Questions, Joshua Rothman’s weekly column exploring what it means to be human. This summer, I reread the novel “Aurora,” by Kim Stanley Robinson, a science-fiction writer whom I ...

Cynthia Sass is a nutritionist and registered dietitian with master's degrees in both nutrition science and public health. Frequently seen on national TV, she's Health's contributing nutrition editor ...