“I just bought a new BPA-free tupperware set.” This comment, coming from my friend Anna, caught me off guard. Anna’s a highly competent law professional. She’s a critical thinker and she fights in the heavyweight division when it comes to cutting through BS. But the Anna I knew was falling into some painful traps that...

Reviewed by Helen Kollias, PhD and Brian St. Pierre, MS, RD At some point in my mid-40s, the scale started climbing. A pound or two turned into five, then 10, then 20. It seemed as if I was doing all the right things: Eating less, moving more, rinse, repeat. Yet, the harder I worked, the...

Reviewed by Denise Asafu-Adjei, M.D., MPH A few years back, PN co-founder John Berardi, PhD, posted a shirtless photo of himself on his 47th birthday. He called it his “anti-regress pic” and thanked 30 years of squats, deadlifts, presses, and chin-ups—among other exercises—for his chiseled six-pack, pumped chest, and bulging biceps. The question many commenters...