Learn library

Read the science.
Live longer better.

181 lessons across 24 tracks. Free to read on the web; open the Thier app for the interactive version, quizzes, progress, and XP.

Biohacking & Cold

What works, what's hype. Cold therapy, sauna, light, and advanced longevity stacks.

4 units · 10 lessons

Bone & Muscle

Sarcopenia, DEXA, osteoporosis, and the strength-as-medicine framework.

4 units · 7 lessons

Brain Health

Alzheimer's biology, APOE, sleep's role, and a current-evidence playbook.

4 units · 10 lessons

Cancer

Hallmarks, screening, modifiable risk, and the protocols longevity-minded clinicians use.

4 units · 8 lessons

Cardiovascular

ApoB, Lp(a), the lipid model, blood pressure - what the latest evidence actually says.

4 units · 11 lessons

Conditions

Diabetes, hypertension, heart disease, and longevity-aware management.

10 units · 15 lessons

Epigenetics

Methylation clocks, hallmarks, and what your epigenome can actually tell you.

3 units · 8 lessons

Fasting & Supplements

Time-restricted eating, prolonged fasting, supplement evidence tiers.

4 units · 9 lessons

Flexibility

Mobility for performance and longevity. Practical protocols.

1 unit · 3 lessons

Foundations

Bio age vs chrono, the hallmarks of aging, the lifespan vs healthspan distinction.

2 units · 6 lessons

Gut & Microbiome

Microbial diversity, fibre, fermentation, and what the gut-brain axis really does.

1 unit · 3 lessons

Hormones

Testosterone, oestrogen, progesterone, thyroid, cortisol - through the lifespan.

4 units · 10 lessons

Labs

ApoB, hsCRP, HbA1c, fasting insulin - the panels that move the needle.

3 units · 9 lessons

Living by Decade

Decade-by-decade priorities - what to optimise at 30, 40, 50, 60, 70.

1 unit · 6 lessons

Longevity Drugs

Rapamycin, metformin, statins, GLP-1s - evidence quality, mechanisms, and trade-offs.

4 units · 9 lessons

Longevity Molecules

NMN, NAD+, taurine, glycine - what's noise, what's signal.

1 unit · 3 lessons

Metabolic Health

Insulin resistance, HbA1c, HOMA-IR, GLP-1s, and the metabolic roots of aging.

4 units · 7 lessons

Mind & Stress

HRV, breathwork, depression's biology, and tools that produce measurable change.

3 units · 9 lessons

Mitochondrial Health

Energy production, NAD+, autophagy, and the cellular machinery of aging.

4 units · 8 lessons

Movement

VO2 max, zone training, NEAT, and the protocols that scale across decades.

2 units · 5 lessons

Nutrition

Protein, fibre, glucose response, time-restricted eating - without the noise.

2 units · 6 lessons

Peptides

Peptide therapy basics, evidence quality, and the regulatory landscape.

3 units · 11 lessons

Sleep

Master the master clock. Circadian rhythm, sleep tools, and what actually moves bio age.

2 units · 5 lessons

Social Connection

Loneliness rivals smoking for mortality risk. The science of connection + practical leverage.

1 unit · 3 lessons