Health
Cold, Heat, and Metabolic Claims
You're told cold plunges and saunas will fix your metabolism. Susanna Søberg explains brown fat, contrast therapy and weekly targets on Huberman Lab Essentials. Here's what her study measured, and what it did not.
Protect the Two Work Bouts: Andrew Huberman on Guarding Your Focus
You probably can't focus for eight hours, and Andrew Huberman says you shouldn't try. He argues most people get two sharp windows a day, and shares the short training routine he's used for decades. His advice, what checks out, and his commercial ties.
Fewer Sets, Harder Sets: Jeff Cavaliere on Lifting as You Age, and What the Studies Say
Physical therapist Jeff Cavaliere tells Peter Attia that older lifters should cut junk volume, train closer to failure where it's safe, and route around injuries instead of resting. His rules, his exercise graveyard, and what the research says.
You Might Be Breathing Wrong: James Nestor's Breath, and Where the Evidence Runs Thin
James Nestor's case for slow, nasal breathing, from his nose-plug experiment to mouth taping, weighed against what the studies can actually show.
More Pleasure, Less Joy: Anna Lembke's Dopamine Nation on Why Easy Hits Leave You Flat
A psychiatrist's case that endless easy pleasure tips the brain toward pain, her 30-day reset, and why the famous dopamine numbers come from rats.
The Time You Have Left: What Paul Kalanithi's When Breath Becomes Air Teaches About Living Without Knowing
At 36, neurosurgeon Paul Kalanithi saw his own lungs matted with tumors. His doctor wouldn't give him a number. When Breath Becomes Air is his answer to how to live when your time is short but uncertain, and where its statistics stand.
One Root, Many Branches? What Good Energy Gets Right About Metabolic Health, and What It Oversells
Fatigue, weight gain, blood pressure, low mood: Casey and Calley Means's Good Energy blames one root cause. Its everyday advice is sound. Its 93% statistic, glucose targets and the authors' business ties deserve a closer look.
Your Normal, Measured: WHOOP's Will Ahmed on Wearables That Spot Illness Early, GLP-1s and the FDA Fight
WHOOP's Will Ahmed says your wearable baseline can flag illness, show which habits help, and protect muscle on GLP-1s. We check his muscle claim and how WHOOP's blood pressure fight with the FDA really ended.
What Are You Willing to Trade? Atul Gawande's Being Mortal on Choosing a Good Life Over Just More Time
Atul Gawande's Being Mortal argues medicine should aim for a good life to the end, not just more time. Here are his four questions for anyone seriously ill, and what the research behind them shows.
A Real Day, a Real Night: Kristen Holmes's Four Habits for a Calmer Nervous System, and What the Studies Show
WHOOP scientist Kristen Holmes says health depends on switching cleanly between effort and rest. Her four habits (light, a 12-hour eating window, breathing, zone 2) seem to work through one thing: regular sleep.
Right About Sleep, Shaky on the Numbers: What Why We Sleep Gets Right, and the Statistics That Don't Hold
Matthew Walker's Why We Sleep is right that sleep runs memory, mood and health, and that adults need seven-plus hours. But several of its scariest numbers, including a WHO "epidemic", don't hold up.
Depression Was the Worst of It: Terry Bradshaw on Why Two Cancers Weren't His Hardest Fight
Four Super Bowls, two cancers, and Terry Bradshaw says depression was worse. How a panic attack, a year of searching, therapy and a code word with his wife finally helped.