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Do Women's Tears Lower Testosterone? · Huberman Lab

Huberman Lab

Essentials: How Smells Influence Our Hormones, Health & Behavior | Dr. Noam Sobel

In this Huberman Lab Essentials episode, my guest is Dr. Noam Sobel, PhD, a Professor of Neurobiology at the Weizmann Institute of Science and an expert on the human sense of smell. We discuss how the brain processes odors and how smell shapes our lives more than we realize, influencing everything from who we become friends with to how we experience…

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Notes

  1. How Many Smell Receptors Do Humans Have? at 1:03

    Noam Sobel says humans have about 7 million smell receptors lining the olfactory epithelium, and probably about six or seven million receptors, of about 350… Full answer

  2. What Happens to Your Hand After a Handshake? at 6:38

    Noam Sobel found a remarkable increase in the hand going to the nose after a handshake, and the motion is a sniff. Full answer

  3. Do People Who Smell Alike Become Friends? at 10:15

    Noam Sobel says people who smell more alike are more likely to become friends, and the similarity is there before the friendship is. Full answer

  4. Do Women's Tears Lower Testosterone? at 22:49

    Noam Sobel found that sniffing women's emotional tears lowers free testosterone by about 14 percent within about 20 minutes to half an hour, even though the… Full answer

  5. How Can Chanel No. 5 Be Matched With Different Ingredients? at 26:57

    Noam Sobel’s lab generated a metamer for Chanel No. 5 with no component from Chanel No. 5 in it. Full answer

  6. Will Every Disease Have a Smell? at 32:34

    Noam Sobel says it is an overextension, but you can almost say that every disease will have an odor, and high-resolution digitized smell will be used in… Full answer

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