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866. The market is suddenly full of products claiming to prevent or even reverse gray hair — not by dyeing it, but by actually changing what's happening inside the hair follicle. Some of these serums, supplements, and "anti-gray systems" are backed by genuinely interesting scienc ...  Show more

865. The USDA unveiled the 2025–2030 Dietary Guidelines for Americans, and the "Inverted Pyramid" has been sparking a lot of discussion. After a decade of MyPlate, why is the government returning to a pyramid visual—and why is it upside down?In this episode, Monica breaks down th ...  Show more

Did you know that exercise can naturally boost your immunity to protect against viral infections like the flu and COVID-19? Dr. Jonathan Su, the Get-Fit Guy, shares some key tips on how to use exercise to boost your immune system.Read the companion article on Quick and Dirty Tips ...  Show more

Similar to eating a healthy diet and getting good quality sleep, exercise helps you maintain overall good health and, by extension, a healthy immune system. Dr. Jake Deutsch joins Get-Fit Guy to talk about the effect of exercise on your immune system.Read the transcript.Check out ...  Show more

The screen casts an eerie glow on your face. You can't tear your eyes away from the bad news. You feel depressed and angry, but you can't stop scrolling. Why do we do this to ourselves, and how can we stop?Read the transcript.Check out all the Quick and Dirty Tips shows.Subscribe ...  Show more

In this special New Year's episode, Dr. Monica Johnson is joined by Dr. Nanika Coor (Project Parenthood) and Dr. Rachel Vanderbilt (the Relationship Doctor) for a panel discussion on the psychology of New Year's Resolutions—the good, the bad, and the controversial.Read the compan ...  Show more