Pontzer's groundbreaking studies with hunter-gatherer tribes show how exercise doesn't increase our metabolism. Instead, we burn calories within a very narrow range: nearly 3,000 calories per day, no matter our activity level. This was a brilliant evolutionary strategy to survive in times of famine. Now it seems to doom us to obesity. The good news is we can lose weight, but we need to cut calories. Refuting such weight-loss hype as paleo, keto, anti-gluten, anti-grain, and even vegan, Pontzer discusses how all diets succeed or fail: For shedding pounds, a calorie is a calorie.

From one of today’s leading experts on the emerging science of the microbiome-brain communication, comes a groundbreaking book that offersevidence that diet- and lifestyle-induced changes in the gut-microbiome play a pivotal role in the health crises of the 21st century.

Anthony William, the Medical Medium, has helped millions of people heal from ailments that have been misdiagnosed or ineffectively treated or that doctors can't resolve on their own. Now he returns with an elevated and expanded edition of the book where he first opened the door to healing knowledge from over 30 years of bringing people's lives back. With a massive amount of healing information that science won't discover for decades, Anthony gets to the root of people's pain or illness and what they need to do to restore their health now.

Does talking about your accomplishments feel scary or icky because you're worried people will think you're "obnoxious"? Does it feel more natural to "put your head down and do the work"? Are you tired of watching the loudest people in your industry get disproportionate praise and rewards? If you answered "yes" to any of the above, you might be self-sabotaging. You need to learn to brag better. Meredith Fineman shares the surefire and anxiety-proof strategies that have helped her clients effectively communicate their achievements and skill sets to others.

In The Spark Factor, Dr. Molly Maloof shares a program uniquely tailored to the biology of women—a plan that targets the mitochondria, the power source of the cells. As Dr. Maloof shows, the intense, all-or-nothing approaches commonly used by biohackers to optimize health—including sustained fasting, ultra-low-carb diets, and intense training—can be harmful, especially for women, because they create excessive stress in an already-stressed body, which can make us tired, weak, and prone to illness.