- John Tregoning, 47, tried 15 longevity hacks to see which ones were worth buying.
- The research scientist tried things like cold water swimming, gene sequencing, and blood analysis.
- Calorie restriction helped him lose weight, but he missed out on social activities.
As he entered his mid-40s, it finally hit John Tregoning that he was going to die one day.
Faced with his mortality, the vaccine immunologist based at Imperial College London, wondered if there was anything he could do to extend his lifespan (unlikely, he thought), or at least live healthier for longer.
He researched buzzy longevity treatments that he hoped would prevent conditions such as cancer, type 2 diabetes, and cardiovascular disease, which are leading causes of death.
He landed on trying: gene sequencing,…