Essentials: The Biology of Taste Perception & Sugar Craving | Dr. Charles Zuker
Huberman LabPlay episode
Show notes
In this Huberman Lab Essentials episode, my guest is Dr. Charles Zuker, PhD, a professor of biochemistry, molecular biophysics and neuroscience at Columbia University and an Investigator with the Howard Hughes Medical Institute (HHMI).
We explore taste perception and how the brain transforms chemical signals from food into distinct taste experiences. We discuss how these taste signals shape both conscious choices and unconscious behavior, as well as how food preferences can change over time. Additionally, we discuss gut–brain signaling and explain why sugar is especially powerful at driving cravings.
Read the episode show notes at hubermanlab.com.
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Timestamps
(00:00:00) Charles Zuker
(00:00:20) Senses & Perception
(00:02:29) Taste, 5 Taste Qualities & Dietary Needs
(00:05:49) Taste vs Flavor
(00:07:05) Sponsor: AG1
(00:07:56) Taste Buds; Bitter
(00:09:45) Sweet vs Bitter, Sensory Perception from Tongue to Brain
(00:12:47) Taste Plasticity & Changing Food Preferences
(00:14:13) Taste Modulation; Salt
(00:17:08) Sponsor: LMNT
(00:18:41) Gut-Brain Signaling
(00:23:14) Sugar Appetite & Gut-Brain Axis
(00:27:42) Sponsor: Function
(00:29:21) Artificial Sweeteners, Sugar Cravings
(00:30:37) Taste & Essential Nutrients; Highly Processed Foods; Brain & Food Choices
(00:34:11) Acknowledgements
Disclaimer & Disclosures
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