Everything you think you know about weight loss may be wrong — and one of the world’s leading Nutrition professors has the science to prove it. Dariush Mozaffarian, Director of the Food Is Medicine Institute, has spent decades studying why we get sick, why we gain weight, and why so much of what we’ve been told about food is overcomplicated at best, and actively harmful at worst. In this conversation, he dismantles the myths driving the obesity epidemic and replaces them with what the evidence actually shows.

New dietary guidelines were released today, pushing more meat and full fat dairy – and warning against ultra processed foods. We spoke with HHS Secretary RFK Jr. about the new guidelines and with health experts about the changes. NBC News’ Anne Thompson has the story.

Everything you think you know about weight loss may be wrong — and one of the world’s leading Nutrition professors has the science to prove it. Dariush Mozaffarian, Director of the Food Is Medicine Institute, has spent decades studying why we get sick, why we gain weight, and why so much of what we’ve been told about food is overcomplicated at best, and actively harmful at worst. In this conversation, he dismantles the myths driving the obesity epidemic and replaces them with what the evidence actually shows.

New dietary guidelines were released today, pushing more meat and full fat dairy – and warning against ultra processed foods. We spoke with HHS Secretary RFK Jr. about the new guidelines and with health experts about the changes. NBC News’ Anne Thompson has the story.

Food is Medicine Institute Director Dariush Mozaffarian speaks to WCVB about the newly released 2025-2030 Dietary Guidelines for Americans.

What can we learn from the history of our food system? Dariush Mozaffarian believes if we know how we built it, we know how we can fix it. His work at the Friedman School of Nutrition Science and Policy is shaping a new food policy for our country that can help lead to better outcomes in health, sustainability, and the economy.