Explore Capsules

8 capsules

The Skincare Guide to Sun Protection and Retinoids

The Skincare Guide to Sun Protection and Retinoids

Looking younger as you age depends largely on daily sun protection and using scientifically supported skin treatments. Consistent application of broad-spectrum sunscreen prevents premature aging by shielding collagen and reducing pigmentation, while topical retinoids help rebuild collagen and improve wrinkles when used carefully alongside sun protection. Avoiding harmful habits like smoking and excessive sun exposure completes the honest, evidence-based approach to maintaining youthful skin.

Aging · 69 stops · ~138 minFree
Peter Attia's Outlive: Longevity Guidelines, Evidence, and Tradeoffs

Peter Attia's Outlive: Longevity Guidelines, Evidence, and Tradeoffs

Longevity medicine offers varied guidelines on exercise intensity, supplement timing, medical screening, and cold exposure. These guidelines differ on how to balance rigorous research with practical daily actions, when to intervene medically, and how to safely apply cold therapies. Understanding these differences helps you choose personalized strategies for healthspan and lifespan optimization.

Longevity · 62 stops · ~124 minFree
Sleep as Defense: Immunity, Brain Health, and Circadian Protection

Sleep as Defense: Immunity, Brain Health, and Circadian Protection

Treating sleep as downtime misses what it actually does: regulate immunity, clear toxins from the brain, and steady your emotions. Cut it short or shift it off your natural rhythm and the risks of cancer, autoimmune disease, and neurodegeneration climb. Consistent, well-timed sleep is one of the strongest protections you control.

Sleep · 60 stops · ~120 minFree
Humanity's Path Beyond Extinction: How a Multiplanetary Species Gains Immortality

Humanity's Path Beyond Extinction: How a Multiplanetary Species Gains Immortality

Humanity’s deepest drive to escape death has evolved from saving individuals to preserving the entire species by expanding beyond Earth. The failure of Apollo was not a lack of vision but the prohibitive cost of disposable rockets, making repeated space travel impossible. Breakthroughs in reusable rockets, orbital refueling, and Mars propellant production now offer a viable path to sustainable colonization, making the first human settlement on Mars a historic turning point for life itself.

Mars colonization · 53 stops · ~106 minFree
Retinol and Niacinamide: A Dermatologist-Guided Skincare Plan

Retinol and Niacinamide: A Dermatologist-Guided Skincare Plan

Retinol and niacinamide can transform skin or wreck it, and the difference is how they are used. Against the belief that off-the-shelf products alone suffice, the case here is for dermatologist-guided routines: right concentrations, gradual introduction, and strict sun protection. Treated as a science instead of guesswork, the same ingredients repair your skin barrier rather than inflame it.

Skincare · 99 stops · ~198 minFree
A Dog Owner's Guide to Senior Dog Care Strategies

A Dog Owner's Guide to Senior Dog Care Strategies

An aging dog's needs shift quietly, and the care that worked at five falls short at twelve. These care strategies emphasize different levers: diet and calorie control, mobility aids, cognitive health, home adaptations, or closer veterinary management. Comparing them helps you assemble the mix that fits how your dog is actually changing.

Aging dogs · 91 stops · ~182 minFree
A Woman's Guide to Creatine After 40: Safety, Dosing, Sources

A Woman's Guide to Creatine After 40: Safety, Dosing, Sources

Creatine can support strength, muscle maintenance, and healthy aging for women after 40 when it is used with clear attention to safety, dose, and product quality. Readers will learn how creatine works, how to evaluate common forms and sources, and how to make informed choices that fit their health goals and conversations with a clinician.

Creatine · 62 stops · ~124 minFree
The Over-50 Exerciser's Guide to Safe Strength Training

The Over-50 Exerciser's Guide to Safe Strength Training

Strength and fitness training after 50 requires careful attention to safety, proper technique, and listening to your body. Different guidelines emphasize warming up, avoiding breath-holding, managing joint pain, and recognizing warning signs like chest discomfort. Understanding these varied approaches helps you choose a routine that balances progress with real-world health considerations and emergency preparedness.

Strength training · 69 stops · ~138 minFree