If you’ve heard of billionaire Bryan Johnson, you’ve likely encountered the phrase “bio age testing.” Johnson, the subject of the Netflix documentary Don’t Die, says he’s on a quest to achieve the lowest possible “biological age” (also known as bio age). He reportedly spends millions each year on anti-aging treatments—dozens of daily supplements, weekly acid peels for his skin, injections to boost collagen production, hyperbaric oxygen therapy, and plasma infusions extracted from his 17-year-old son’s body. To determine what’s working, Johnson has undergone numerous tests to assess his bio age. Johnson says these tests show his age is now 5.1…

The nutrition community is made up of individuals with diverse experiences, perspectives, and ideas. This diversity is the fundamental strength of our professional society. Through this member spotlight series, we celebrate our diversity and the vast achievements made by our members in the field. Meet Dr. Christos Katsanos, Associate Professor at Arizona State University, Adjunct Faculty at Mayo Clinic in Arizona, and an ASN member for 18 years. In a conversation with ASN’s Member Engagement Coordinator, Sara Genell, he reflects on what sparked his interest in exercise physiology, the vital role nutrition science has played in his career, and his active…

Many people with IBS would trade 10 to 15 years of life expectancy for an instant cure for their condition. This is according to the results of a study of nearly 2,000 people with irritable bowel syndrome (IBS).1 In other research, people with IBS said they would take a medicine that carried a one percent risk of sudden death if it would cure their symptoms2—which can include urgent bouts of diarrhea, gas, or persistent constipation. Some people with IBS experience bouts of abdominal pain they describe as worse than childbirth. These flare-ups can siphon concentration, interrupt sleep, and destroy work…