Fathers Lose Testosterone When They Raise Their Kids | Aldrich Chan, Psy.D.

Most people assume becoming a parent is an emotional change, but a measurable part of it is hormonal, and it happens in fathers too. I sat down with Aldrich Chan, Psy.D., to talk about what changes in the brain, why the split we draw between mind and body does not hold up, and what decides whether stress reads as manageable or overwhelming when the hormones are identical either way. Want ad-free episodes? Subscribe to Forever Strong Insider: https://bit.ly/4u5VSRe Get Aldrich Chan’s books here: https://www.drchancnc.com/books 📱Connect with Aldrich Chan, Psy.D Website: https://www.drchancnc.com/ YouTube: www.youtube.com/@draldrichan Instagram: https://www.instagram.com/draldrichan Facebook: https://www.facebook.com/draldrichan LinkedIn: https://www.linkedin.com/in/draldrichan/ 🙌Thank you to our sponsors: One Skin - Get 15% off at https://bit.ly/4hlfso9 Timeline - up to 20% off when you subscribe and save at https://bit.ly/4xkRIFw David Bars - Subscribe and save 10% on every order’ at https://bit.ly/3SGC7Cd 📺Watch the “Dr. Gabrielle Lyon Show” every Tuesday at 9AM EST: YouTube: https://bit.ly/4boCFC3 Spotify: https://bit.ly/4cWTbLG 📱Connect with Dr. Gabrielle Lyon: Instagram: https://bit.ly/4uk9adc TikTok: https://bit.ly/3OFK3kJ X.com: https://bit.ly/4l3YlaX Facebook: https://bit.ly/3MBrJso LinkedIn: https://bit.ly/3N1nrdL Website: https://bit.ly/3NdV2kT Books: https://bit.ly/4r6ugZK Newsletter: https://bit.ly/402QCAj ⏰Timestamps: 00:00 - Introduction: what a neuropsychologist measures 03:25 - Mild cognitive impairment and proactive interference 04:52 - The SAD theory: separation, alienation, discord 06:30 - The default mode network and 46.9% mind wandering 08:56 - Reframing ADHD as an evolutionary advantage 18:21 - Evolutionary mismatch and hunter-gatherer comparisons 21:03 - Neuroplasticity, epigenetics, and the 24-hour timeline 24:29 - Mind-body dualism and the gut-brain connection 31:31 - What fatherhood does to the brain and testosterone 36:47 - Choice overload and the four-bit working memory limit 39:54 - Temporal discounting and building immediate feedback 43:23 - Vital signals and how to identify a core value 49:49 - Intuition, somatic markers, and the vmPFC 55:00 - The 20-watt brain versus a 10-gigawatt supercomputer 01:02:58 - Only 35% of the brain is built at birth 01:06:13 - Creativity, nothingness, and the fear of uncertainty 01:16:31 - Process, flow states, and the jazz pianist studies 01:22:53 - Mirror neurons, group selection, and the rat experiments 01:34:20 - Eustress and the line between moderate and major stress 01:44:39 - Alloparenting and what the Hadza numbers show ‼️Disclaimer: The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions. This episode includes paid sponsorships.