Top 5 Interventions on the Hallmarks of Aging

1. The Hallmarks of Aging framework was first published in 2013 by López-Otín and colleagues. In the 2023 update, the framework was expanded to how many hallmarks?

2. According to this month's lesson, what is the central reason most single-target pharmaceuticals struggle to meaningfully slow aging?

3. Resistance training is described as the most well-supported intervention for maintaining which type of cell?

4. Which cellular pathway pair is most directly shifted by sustained Zone 2 aerobic work to support autophagy?

5. Which nutrient is highlighted as a common methyl-donor gap on a plant-based diet, while B12 is described as one that must be supplemented without exception?

6. The recommended daily protein target to support healthspan, preserve lean mass, and counter age-related sarcopenia in active adults is approximately:

7. A 62-year-old asks why her three weekly strength sessions matter "at the cellular level." Which answer best reflects this month's teaching?

8. A 45-year-old logs a week of 5-hour nights and notices a collapse in HRV-based recovery. Which mechanistic explanation is best supported by current sleep-and-aging science?

9. Which naturally occurring polyamine — concentrated in wheat germ, soy ferments (tempeh, natto), aged legumes, and mushrooms — induces autophagy in human and animal studies and is associated in cohort data with reduced cardiovascular and all-cause mortality?

10. A 58-year-old's DEXA shows low appendicular lean mass and her fiber intake averages 22 g/day. Which two-lever adjustment most directly addresses multiple hallmarks of aging at once?

11. Which Zone 2 prescription best matches the dose-response used in this lesson's protocol?

12. Because aging is multi-system, lifestyle interventions that hit several hallmarks at once tend to have more robust long-term outcome evidence than single-target drugs.

13. Epigenetic age is fixed at birth and cannot be influenced by training or nutrition.

14. Time-restricted eating windows of roughly 12–16 hours have human mechanistic evidence for suppressing mTOR and shifting cells toward a more repair-oriented state, while epigenetic age reversal from fasting-mimicking approaches is still emerging with limited human RCT data.

15. On a whole-food plant-based pattern, B12 is optional as long as fiber and plant diversity are high.

16. The "Plant-Powered Metabolism" event of the Healthspan Heptathlon is anchored by which three targets from this lesson?

17. Which combination of measurable inputs best tracks progress on the "muscle is the organ of longevity" principle over the next 6–12 months?

18. Imagining a future self at 80+, which Heptathlon-aligned daily pattern best reflects the "multi-hallmark" message of Month 6?

19. Of the five Month 6 interventions, which single lever, if added consistently, most plausibly touches the largest number of hallmarks at once for a sedentary adult with adequate sleep and a plant-forward diet?

20. A client eats plant-based but reports only ~10 distinct plants per week and 20 g fiber. Which single change best matches Month 6's plant-diversity logic?

21. A client sleeps only 5–6 hours on weeknights and 'catches up' on weekends. From Month 6's standpoint, which reframe is best supported?

22. Which weekly plan best embodies Month 6's 'multi-target strategy' for a client with time constraints but no red flags?