Bryan Johnson, a 47-year-old US software millionaire, had made waves with his ambitious mission to reverse ageing. Now, the anti-aging influencer has revealed that he has dumped longevity drug rapamycin. Known for his rigorous lifestyle, Johnson invests $2 million annually in advanced diagnostics, controversial treatments like "young blood" transfusions from his teenage son, and a strict regimen of diet, exercise, and sleep.