“I only eat meat or fermented foods,” the health secretary told USA TODAY's Extremely Normal show. Here's what experts say about the diet.

Longevity pioneers like Bryan Johnson are going to extreme lengths in the quest for immortality, but for those of us who hope to reach 100 with less commitment, dietary tweaks are typically the first ...

WASHINGTON, DC - JANUARY 8: U.S. Secretary of Health and Human Services Robert F. Kennedy Jr. unveils the department's new dietary guidelines food pyramid during a policy announcement event at HHS.

The Carnivore Diet — where fruits and vegetables are banished, and butter is a snack — may seem like satire, but it’s a growing trend with bold claims and even bolder health risks. While influencers ...