Podbit · On Purpose with Jay Shetty
Parents focus on love, safety, independence, and community — but almost universally overlook nutrition as a factor in their child's brain health. Ultra-processed foods don't just deprive kids of nutrients; they actively deliver brain-disrupting chemicals. This is the last great parenting blind spot.
Where this was said
At 1:10:45 · chapter starts 1:07:31
Palmer traces the arc of his own career disillusionment and recovery. When he entered psychiatry he became, by his own admission, 'one of those evil psychiatrists who just doled out pills' — because those were the only tools he had, and people's lives were in danger. He maintained skepticism throughout, asking himself whether what he was doing was any better than what was done for his mother. Now, he says, he has found real reasons for hope: a coherent theory of metabolic dysfunction, actionable interventions like the ketogenic diet, and 20 controlled trials underway. [1] — Dr. Chris Palmer "20 controlled trials of keto for mental health underway: There are currently 20 controlled trials — including 8 randomised controlled trial…" 59:00 His forecast is bold: in 10 to 20 years, he believes we will look back on 2024's psychiatric practices — over-reliance on medications that don't produce remission, failure to address root causes — as almost barbaric. He frames this not with bitterness but with urgency, noting he is in his 50s and believes he has enough time left to see that transformation begin.
Mouse studies show aspartame induces anxiety-like behavior, confirmed by amygdala hyperactivation. More alarming: those anxiety-like behaviors persisted in offspring for two generations without any direct aspartame exposure. If your mother drank Diet Coke, you may have inherited her anxiety.
Aspartame (NutraSweet) is found in over 500 diet foods and sodas in the US food supply, and mouse studies show it may induce heritable anxiety disorders across two generations.
Self-help fails because people are sold one universal cure by the hyper-responders who had a transformative result from it. The real problem is context: every method works for the right person at the right time, which is almost never you just because the author says so.
Spencer Greenberg was once so socially anxious his heart pounded just approaching a stranger. His therapist gave him homework: go to a bar alone, talk to 5 strangers. Starting with asking for the time, he worked up to asking men for hugs — and his anxiety fell dramatically in 6 months.
A person who flies regularly but obsessively checks weather forecasts before every flight is not doing exposure therapy — they're teaching their brain that flying is only safe with the ritual. Safety behaviors prevent the brain from ever learning that the feared thing is actually fine.
The worry-time technique assigns all worries to one scheduled slot (e.g. 5 PM). Every time a worry surfaces, you write it down and ban yourself from engaging with it until that time. When 5 PM arrives, most worries feel trivial and the act of batch-worrying exposes how little it actually accomplishes.
In a randomized study of 20 habit techniques, 'habit reflection' stood out: recall a past habit you successfully built, write down what helped you succeed, then apply those same strategies to your new habit. It works because it's self-adapting — it uses whatever worked for YOU.
The tiny habits technique — always having a minimal version of your habit you can do when life gets in the way — keeps the mental machinery of habit formation from breaking. Paradoxically, people given a tiny-habit fallback option were MORE successful at the full habit, not less.
Fears and worries act like playground bullies — they want to ambush you. But when you deliberately seek them out and choose the time of engagement, they lose their power. The volitional act of starting the fight on your own terms is one of CBT's most underappreciated insights.
Most downtime defaults are things you regret immediately after — phone scrolling, binge TV. 'Glad you did it' activities meet the same need for rest but leave you feeling like you spent your time well. The switch from a bad screen to a documentary, a book, or a walk costs almost no extra effort but compounds into identity over time.
You rarely control your first reactive thought. But you can train your second thought — the response to the trigger — by asking whether your initial reaction is the most helpful one and replacing it with something equally true but more constructive. Over time, that second thought becomes automatic.
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