The survival rate for Black men diagnosed with the type of cancer Bob Marley had — which started on his toe — was approximately 70%, suggesting his 1981 death was likely preventable.
Where this was said
At 52:56 · chapter starts 52:45
The most quietly devastating fact in the episode: Bob Marley's death was likely preventable. The cancer that killed him in 1981 started as a growth on his toe — a type of cancer with approximately a 70% survival rate for Black men. [1] — Josh "Bob Marley died in 1981 from a cancerous growth that started on his toe — a cancer with a 70% survival rate for Black men. He ignored it, t…" 52:35 Marley ignored it, believing it was an old football injury. By the time the disease was properly diagnosed, it had spread. He collapsed in Central Park after a concert at Madison Square Garden where he had reportedly blown the Commodores off their own stage as an opening act. The hosts note with understated sadness that some accounts suggest religious beliefs may also have played a role in Marley's reluctance to pursue treatment, though Chuck acknowledges he may be misremembering that detail.
Making the first hour of your day high-cortisol and the last hour low-cortisol is described as the single most impactful daily habit for mood, focus, alertness, stress resilience, and sleep quality.
A Washington University in St. Louis study found that a great night's sleep produces attention-improvement effects effectively equal to Ritalin.
In the 4 to 6 hours after exercise, dopamine and norepinephrine are elevated, making you more alert and better able to focus — unless you've exercised to exhaustion.
The physiological sigh — two big inhales followed by a full exhale — was discovered by physiologists in the 1930s and is the fastest way to reduce autonomic arousal.
Doing just 10 deliberate exhales throughout the day can significantly elevate heart rate variability by the evening, by repeatedly activating the vagal sinoatrial node pathway.
For nicotine to have a genuine cognitive-enhancing effect rather than merely rescuing withdrawal deficit, Huberman recommends using it only once or twice per week at 3–6 mg.
Because vaping can be done anywhere and is more palatable, people consume far more nicotine via vaping than they ever did smoking, potentially making vaping more dangerous in aggregate despite being safer per puff.
Huberman reported that two injections of approximately 100–200 micrograms of BPC-157 eliminated persistent shoulder pain that had resisted months of other interventions.
Huberman reported that on nights he used the peptide pinealon, he achieved 2.5 to 3 hours of REM sleep inside 6 hours — an unusually high proportion normally only found in the final hours of longer sleep.
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