Body & Health

Health, Longevity & How the Body Works

Live longer, feel better, what's actually solid

Novice

Mastery0%

Novice

Note. Educational, not medical advice. For symptoms, conditions, or before major lifestyle changes (especially with chronic conditions), talk to a qualified doctor. For emergencies in India, the standard number is 112.

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Healthspan Mindset

Playing the long game: aiming for decades of good function, not a six-week transformation. Boring consistency beats heroic effort.

Track one health metric monthly, not daily, to see trends not noise.
Treat one bad week as data, not a reason to quit.
Pick habits you can keep at 80 percent for years, not 100 percent for weeks.

Concepts (1)

Preventive screening (India: thyroid, lipid, HbA1c after 30)
Routine asymptomatic blood and physical tests that detect cardiometabolic and endocrine disease early enough to alter trajectory, with particular relevance to South Asian risk profile.
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All Health, Longevity & How the Body Works glossary

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VO₂max
Max rate of oxygen use, a key measure of cardio fitness.
Sarcopenia
Age-related loss of muscle mass and strength.
Healthspan
Years lived in good health, not just total years alive.
Ultra-processed food
Food heavily transformed with industrial ingredients (Nova classification).
Chronic stress
Persistent activation of the stress response, damages multiple systems.
Relative risk
Risk in one group vs another, sounds bigger than absolute risk.
Absolute risk
Actual probability of an event in a population.
Meta-analysis
Statistical combination of many studies, usually more reliable than any one.
HRV
Heart rate variability, beat to beat variation, a proxy for recovery and stress.
NEAT
Non exercise activity thermogenesis, calories burned through daily movement outside workouts.
Zone 2
Steady aerobic effort where you can still talk, builds mitochondrial fitness.