Q&A #67 with Dr. Rhonda Patrick (2/8/25)
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In this Q&A, Dr. Rhonda Patrick discusses microdosing nicotine, GlyNac benefits, intermittent fasting and hair loss, and cold & flu relief. Timestamps include:
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Is microdosing nicotine safe, effective for focus, or does it have health benefits?
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What are your top daily supplements?
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What are the best strategies for staying healthy during cold and flu season?
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Is fasted exercise harmful for women?
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Do aluminum cans, like Spindrift or BPA-free canned beans, pose a microplastic risk?
Does time-restricted eating cause hair loss?
"While the study suggests that TRE may at least temporarily slow hair growth and affect hair thickness, the evidence remains inconclusive for several reasons."- Dr. Rhonda Patrick Click To Tweet
Recently, a study gained widespread media attention, with headlines claiming that time-restricted eating (TRE) causes hair loss.[1] However, a deeper examination of the research tells a more nuanced story.
- ^ Chen, Han; Liu, Chao; Cui, Shiyao; Xia, Yingqian; Zhang, Ke; Cheng, Hanxiao, et al. (2025). Intermittent Fasting Triggers Interorgan Communication To Suppress Hair Follicle Regeneration Cell 188, 1.
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Beginning of Q&A
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Weight loss 1
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Dopamine 1
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Sleep 1
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Q: Is taking urolithin A beneficial? 1
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Q: How does curcumin phytosome compare to curcumin with black pepper? 1
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Q: Does NAC mitigate asthma symptoms related to air pollution? 1
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Q: Can time-restricted eating with extended fasting windows contribute to hair loss? 1
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Q: Are fermented foods like sauerkraut more beneficial than probiotic supplements for gut health? 1
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Q: Is sauna use safe for people with rosacea or heat-sensitive skin?
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Q: Is collagen supplementation beneficial? 1
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Q: Do you still drink smoothies after using a CGM?
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Q: Is sauna use safe while breastfeeding, and does it affect milk production?
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Q: Do sauna blankets offer the same physiological benefits as traditional saunas? 1
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Q: Does a longer fasting window impair protein utilization? 1
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Q: Is fasted exercise harmful for women?
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Q: Should we worry about microplastics in toilet paper?
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Q: Does avoiding water in the sauna enhance stress adaptation? 1
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Q: Does stainless steel cookware leach metals into food? 1
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Q: Is there a well-formulated prenatal vitamin?
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Q: Any updates on the genetic report?
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Q: Are zinc lozenges more effective than liquid zinc? 1
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Q: How does algae oil compare to fish oil for omega-3s? 1
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Watch previously recorded Q&As with Dr. Rhonda Patrick
Q&A #75 with Dr. Rhonda Patrick (11/01/25)
Dr. Rhonda Patrick discusses joint aging prevention, avoiding heavy metals in protein, reducing migraines, nicotinamide for skin, and minimizing jet lag.
Q&A #74 with Dr. Rhonda Patrick (10/11/25)
Dr. Rhonda Patrick discusses stroke risk, eczema, immune resilience, her new smoothie recipe, and whether everyone should cut out gluten.
Q&A #73 with Dr. Rhonda Patrick (8/16/25)
Dr. Rhonda Patrick discusses iron imbalances, urolithin A, NAD+ boosters, vitamin K2 and hormone replacement therapy in women.
Q&A #72 with Dr. Rhonda Patrick (7/19/25)
Dr. Rhonda Patrick discusses fragmented sleep, lipid biomarkers including ApoB and LP(a), coffee makers and bean quality, and choline supplementation.
Q&A #71 with Dr. Rhonda Patrick (6/7/25)
Dr. Rhonda Patrick discusses her supplement routine, Neu5Gc risks, Repatha and diabetes, heat stress, osteoporosis in men, and plyometrics.