Sleep is a key anti-aging tool—Bryan Johnson calls it the "ultimate remedy." It repairs cells, cleans the brain, and protects telomeres. Follow sleep hygiene tips (dark environment, regular schedule) to boost your sleep anti-aging power.

For anti-aging, focus on 4 testing areas: cellular (telomere, epigenetic age), functional (inflammation, metabolism, hormones), organ (vascular, bone density, body composition), and cutting-edge (gut microbiota, mitochondria). These tests help quantify aging and personalize anti-aging plans.

Bad moods accelerate aging by 8 years, more harmful than staying up late. Chronic stress raises cortisol, shortens telomeres, and increases inflammation. Practical emotional detox and positive emotions can delay aging.

Kimberly-Clark acquires top 15 beauty giant Kenvue for $48.7B, creating 10 billion-dollar brands. The deal reflects the accelerating oligopoly trend in the beauty industry amid frequent M&As by global and Chinese giants.