To improve your life in 2025, you must prioritize quality sleep, practice daily physical activity, and adopt a healthy diet by giving up junk food.

noli's read

This advice relies on the fundamental pillars of human biology validated by a vast amount of scientific data. Regarding sleep, robust meta-analyses confirm that regular sleep is essential for hormonal regulation and cognitive recovery. Daily physical activity is supported by numerous randomized controlled trials (RCTs) demonstrating its systemic benefits on cardiovascular and metabolic health. The impact of a nutrient-rich diet compared to an ultra-processed one is also widely documented by large-scale observational studies linking the latter to metabolic imbalances. Bryan Johnson's tone is provocative, which may give the impression that these solutions are simplistic, even though their real-world implementation is often complex in a modern environment. While the substance is scientifically unassailable, the form obscures the behavioral and socioeconomic challenges necessary to reach these goals. There is no exaggeration here regarding the importance of these three pillars, although the notion of 'health' may vary according to individual needs.

the sources

1. 1Watson NF et al. (AASM & Sleep Research Society) 2015
2. 2Hirshkowitz M et al. (National Sleep Foundation) 2015
3. 3Ding M et al. 2025
4. 4Paluch AE et al. (Steps for Health Collaborative) 2022
5. 5Hall KD, Ayuketah A, Brychta R, et al. 2019
6. 6Lane MM, Gamage E, Du S, et al. 2024