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b'In this episode, my guest is Noam Sobel, PhD, professor of neurobiology in the department of brain sciences at the Weizmann Institute of Science. Dr. Sobel explains his lab\\u2019s research on the biological mechanisms of smell (\\u201colfaction\\u201d) and how sensing odorants and chemicals in our environment impacts human behavior, cognition, social connections, and hormones. He explains how smell is a crucial component of \\u201csocial sensing\\u201d and how we use olfaction when meeting new people to determine things about their physiology and psychology, and he explains how this impacts friendships and romantic partners. He explains how smell influences emotions, hormone levels, memories and the relationship between breathing and autonomic homeostasis. He describes how smell-based screening tests can aid disease diagnosis and explains his lab\\u2019s work on digitization of smell \\u2014 which may soon allow online communication to include \\u201csending of odors\\u201d via the internet. Dr. Sobel\\u2019s work illustrates how sensitive human olfaction is and how it drives much of our biology and behavior.\\nFor the full show notes, visit hubermanlab.com.\\nThank you to our sponsors\\nAG1 (Athletic Greens): https://athleticgreens.com/huberman\\nLMNT: https://drinklmnt.com/huberman\\nWaking Up: https://www.wakingup.com/huberman\\nMomentous: https://www.livemomentous.com/huberman\\nTimestamps\\n(00:00:00) Dr. Noam Sobel\\n(00:04:03) Sponsors: LMNT & Waking Up\\n(00:06:46) Olfaction Circuits (Smell)\\n(00:14:49) Loss & Regeneration of Smell, Illness\\n(00:21:39) Brain Processing of Smell\\n(00:24:40) Smell & Memories\\n(00:25:11) Sponsor: AG1\\n(00:29:07) Humans & Odor Tracking\\n(00:39:25) The Alternating Nasal Cycle & Autonomic Nervous System\\n(00:48:18) Cognitive Processing & Breathing\\n(00:54:47) Neurodegenerative Diseases & Olfaction\\n(01:00:12) Congenital Anosmia\\n(01:06:19) Handshaking, Sharing Chemicals & Social Sensing\\n(01:15:07) Smelling Ourselves & Smelling Others\\n(01:22:02) Odors & Romantic Attraction\\n(01:24:58) Vomeronasal Organ, \\u201cBruce Effect\\u201d & Miscarriage\\n(01:40:20) Social Chemo-Signals, Fear\\n(01:50:26) Chemo-Signaling, Aggression & Offspring\\n(02:03:57) Menstrual Cycle Synchronization\\n(02:12:11) Sweat, Tears, Emotions & Testosterone\\n(02:27:46) Science Politics\\n(02:37:54) Food Odors & Nutritional Value\\n(02:45:34) Human Perception & Odorant Similarity\\n(02:52:12) Digitizing Smell, COVID-19 & Smell\\n(03:05:50) Medical Diagnostic Future & Olfaction Digitization\\n(03:10:55) Zero-Cost Support, YouTube Feedback, Spotify & Apple Reviews, Sponsors, Momentous, Social Media, Neural Network Newsletter\\nTitle Card Photo Credit: Mike Blabac\\nDisclaimer'