Kayla Barnes-Lentz, 33, and her husband ... she sought detailed information about his health, biology, and fitness levels. "I asked for his labs on our second call," she shared in an interview ...

This as-told-to essay is based on a conversation with Kayla Barnes-Lentz, a 33-year-old longevity clinic owner and podcaster living in LA. It has been edited for length and clarity. From the ...

Kayla Barnes-Lentz is 33 but says biohacking has helped her reverse her biological age by 11 years. She views sleeping and red light therapy as biohacks and says they're her favorite. Many of ...