Juna reveals that she is battling an eating disorder and explores how and why dieting can tip into problem territory, and what to do about it.

Experts in this episode include Jenny Thomas, co-director of the Eating Disorders Clinical and Research Program at Massachusetts General Hospital and Kristin Javaras, clinical psychologist at McLean Hospital.

Want a flat stomach? A faster metabolism? Maybe to get rid of that cellulite? Well, there's a supplement for that.

If only it were so easy... But as with most things in life, if it sounds too good to be true, it probably is. Guests in this episode include champion lifter Layne Norton and Dr. Pieter Cohen.

Juna and Eddie answer listeners' questions about exercise, from "how much is enough" to "how much is too much?"

"Stress eating" can shift food preferences toward sugar and fat, leading Eddie and Juna to try the famous "raisin exercise." They also check in with Dr. John Denninger at the Benson-Henry Institute for Mind Body Medicine and Dr. Marc Potenza at Yale School of Medicine.

From potatoes to quickie "food challenges," Eddie and Juna answer questions from listeners.

You know better than to expect life to be fair. But still, it's enough to drive anyone crazy: Some people seem to be able to eat anything they want and never gain weight.

About 50% of weight variation stems from genetics, according to Rooth Loos, a professor of public health at the Icahn School of Medicine. We'll also hear from Yale neuroscientist Dana Small.

Asked for just one recommendation for lifelong health, our experts all had the same answer: exercise. And there's one type of exercise that may bring the best benefit in the least amount of time.

Experts include: Wayne Westcott, Sal Di Stefano, and Jackie Shahar.

(Bonus: For more on exercise, listen to "The Magic Pill": https://www.wbur.org/magicpill)

Possibly the best thing you can do to help yourself eat better is not about choosing a particular type of food at all. It's about the quality of what you eat. The hosts distill the state of nutrition science down to a few helpful basics. Experts include: Dr. Walter Willett, Michael Pollan and Dr. Rani Polak.

Among the scary insights that brain science can offer into junk foods: eating them tends to shift food preferences long-term -- at least, in mice. Co-hosts Dr. Eddie Phillips and Juna Gjata discuss what happens in your brain when you eat the most craveable foods.

What if there’s no forbidden fruit? What if you think about eating to take care of yourself? In episode two, Juna describes the judgments she and others impose on themselves and their food choices.