Coastline Blog
Deep Dive
Science-backed insights on longevity, sleep, nutrition, and aging from Dr. Greg Potter and world-class researchers.
Walking After Meals: The 10-Minute Habit That Crushes Glucose Spikes
Walking After Meals: The 10-Minute Habit That Crushes Glucose Spikes You finish lunch. Your brain says sit. Your body says sit. The couch says sit....
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VO2 Max: The #1 Longevity Number Your Doctor Isn't Tracking
VO2 Max: The #1 Longevity Number Your Doctor Isn't Tracking Your cholesterol. Your blood pressure. Your fasting glucose. Your doctor probably tracks all of them....
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Grip Strength: The 10-Second Test That Predicts How Long You'll Live
Grip Strength: The 10-Second Test That Predicts How Long You'll Live You can learn more about a man's health in ten seconds than most doctors...
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Can Grey Hair Be Reversed? What a Columbia Study Found About Stress and Mitochondria
You notice your first grey hair. Then a second. Then a handful. Most people chalk it up to age. Some blame genetics. A few blame...
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Glycine: The Simple Amino Acid That Fixes Sleep and Fuels Glutathione
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Microdose lithium: the neuroprotectant hiding in plain sight
When most people hear "lithium," they think of psychiatric medication. Heavy doses. Serious side effects. Bipolar disorder. That association is understandable — but it obscures...
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How to treat obesity: what the science actually supports
Obesity is not a willpower problem. That framing has dominated public conversation for decades, and it's wrong. The science tells a different and more useful...
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A scientist's guide to fixing your sleep (no gadgets required)
You don't need a $300 sleep tracker to sleep better. You don't need a cooling mattress pad, a white noise subscription, or a smart ring....
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Creatine beyond the gym: what the brain and bone research says
Most people think of creatine as a gym supplement. Something bodybuilders take to squeeze out a few extra reps. That reputation isn't wrong — but...
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Longevity supplements: separating evidence from hype
The longevity supplement market has exploded. Hundreds of compounds are marketed as anti-aging solutions. Most of them are riding hype, not evidence. Our science team...
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The free longevity intervention most people overlook
The most effective health interventions are usually the simplest. They don't require a subscription, a device, or a biohacking protocol. Some of them have been...
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Ergothioneine: the longevity amino acid your body was designed to absorb
Most antioxidants get absorbed, used, and excreted within hours. Your body treats them as temporary guests. But there's one compound your body treats very differently...
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