SKU: 78180726077

The Second Brain: The Scientific Basis of Gut Instinct & a Groundbreaking New Understanding of Nervous Disorders of the Stomach & Intest

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The Second Brain: The Scientific Basis of Gut Instinct & a Groundbreaking New Understanding of Nervous Disorders of the Stomach & Intest"Persuasive, impassioned hopeful news for those] suffering from functional bowel disease." New York Times Book Review Dr. Gershon's groundbreaking book fills the gap between what you need to know and what your doctor has time to tell you. Dr. Michael Gershon has devoted his career to understanding the human bowel (the stomach, esophagus, small intestine, and colon). His thirty years of research have led to an extraordinary rediscovery: nerve cells in

"Persuasive, impassioned... hopeful news for those] suffering from functional bowel disease." -- New York Times Book Review

Dr. Gershon's groundbreaking book fills the gap between what you need to know--and what your doctor has time to tell you.

Dr. Michael Gershon has devoted his career to understanding the human bowel (the stomach, esophagus, small intestine, and colon). His thirty years of research have led to an extraordinary rediscovery: nerve cells in the gut that act as a brain. This second brain can control our gut all by itself. Our two brains--the one in our head and the one in our bowel--must cooperate. If they do not, then there is chaos in the gut and misery in the head--everything from butterflies to cramps, from diarrhea to constipation. Dr. Gershon's work has led to radical new understandings about a wide range of gastrointestinal problems including gastroenteritis, nervous stomach, and irritable bowel syndrome.

The Second Brain represents a quantum leap in medical knowledge and is already benefiting patients whose symptoms were previously dismissed as neurotic or it's all in your head.



Binding Type: Paperback
Publisher: Harper Perennial
Published: 11/17/1999
ISBN: 9780060930721
Pages: 336
Weight: 0.53lbs
Size: 8.02h x 5.30w x 0.79d
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SKU: 78180726077

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AirNelson
Pawtucket, US
★★★★★ 5
Durable & Bright - Great for Heavy Chewers
Size: One-Size-for-Most
Pros: Extremely Durable: Survived an aggressive chewer where tennis balls failed. Dual-Visibility: Features both internal flashing lights and a glow-in-the-dark "chargeable" surface. Perfect Size: Fits comfortably in the mouth of a 40lb medium-sized dog. Same size as a tennis ball. Cons: Battery Life: Unsure how long the internal flashing lights will last (though it has held up well so far).
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Reviewed in the United States on February 8, 2026
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Andrea S.
Charlottesville, US
★★★★★ 5
Great for night time play!
Size: One-Size-for-Most
This ball is great! It is a 2-for-one light up feature so we love the flashing lights and if she drops it in the snow after those lights stop, we can still find it because of the strong glow that gets its charge from the flashing LED lights. Our first one lasted a few years, we lost it on a trip so now back for our second one so we can keep the night time fetch going! She is a golden retriever for size reference. Any bigger of a breed and I would worry it might be too small for her mouth. It’s a bit smaller than a tennis ball. Just don’t make the same mistake I did and let them have it in the house at night, she walked up to my bedside while I was asleep one night and squeezed it to activate it. Those lights are so bright it was a rude awakening!
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Reviewed in the United States on November 11, 2025
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Katie
Birmingham, US
★★★★★ 4
Good option for playing at night
Size: One-Size-for-Most
This ball is a good option if your dog likes to fetch at night. It stays lit for about 20 minutes or so, but that is me only leaving it out of the counter, being "charged" by whatever house lights are on. My dog isn't a big chewer, but it seems as though it would hold up well. I like that it is easy to rinse and clean. It seems to be a good value.
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Reviewed in the United States on January 16, 2026
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Amazon Customer
Dallas, US
★★★★★ 5
Night play
Size: One-Size-for-Most
My dog like many other dogs loves to play. We needed a ball that fit into the handheld thrower we had but something that we could find it at night. This has been wonderful!
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Reviewed in the United States on April 26, 2026
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Jordan
Draper, US
★★★★★ 1
It stopped working after three play sessions
Size: One-Size-for-Most
I thought this ball was great until a week later it stopped blinking and got lost in the snow. We only played with it for three days for 20 minutes at a time. It should’ve lasted a lot longer.
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Reviewed in the United States on December 12, 2025

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