HeyJaredRepetitions
Repetitions is all about building good habits. We are taking you beyond generic motivation to explore the actual science of behavior change.
- Indexed episodes, last 90 days
- 3
- Latest publication
- Sep 4, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 25, 2026
Latest episodes
Dopamine Patches: Zero Trials, Zero Brain Delivery (opens the original)
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A peel-and-stick patch promising better mood, focus, and productivity through a dopamine boost is making the rounds in wellness spaces. Jack and Daisy work through the pharmacology — the blood-brain barrier, transdermal delivery, and what real dopamine-active patches actually are — to find out whether the science holds up. The verdict is clean, and the reasoning gets there fast.
Cortisol Face and Low-Cortisol Maxxing, Busted (opens the original)
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"Cortisol face" and "low-cortisol maxxing" have racked up hundreds of millions of TikTok views, claiming that everyday stress spikes cortisol high enough to bloat your face and that the right supplement routine can fix it. Jack and Daisy work through the actual endocrinology — what stress management can and can't do to cortisol levels, where ashwagandha's numbers really land, and the rare disease the trend's before-and-after photos are quietly borrowing from.
Proteinmaxxing Hits a Wall at 1.6G per Kilo (opens the original)
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Proteinmaxxing — the trend of chasing 250-plus grams of protein a day — promises more muscle, faster. Jack and Daisy dig into three meta-analyses to find out where the dose-response curve actually flattens, and whether the kidney fears are as real as the influencers say.
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