The Sunset Blog — Asian Flush, ALDH2 & Alcohol Science

Why do I itch after drinking? The real causes of alcohol-related skin reactions

Last Tuesday, a 28-year-old woman walked into a dermatology clinic in San Francisco with angry red welts across her chest and forearms. The intak...

Posted in alcohol allergy, alcohol flush reaction, alcohol intolerance, ALDH2, asian flush, histamine, itching after drinking, skin reaction

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Histamine intolerance and alcohol: which drinks trigger it (and which to choose instead)

Most explanations of histamine intolerance and alcohol get the story only one-third right. They'll tell you that wine and beer contain histamine, ...

Posted in alcohol, alcohol flush reaction, alcohol sensitivity, ALDH2, Asian flush, biogenic amines, DAO enzyme, histamine in alcohol, histamine intolerance, low histamine drinks

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The ALDH2 gene: what it is, how it causes Asian flush, and what to do about it

540 million people worldwide carry a defective copy of the ALDH2 gene — the result of a single amino acid mutation where glutamate swaps to lysin...

Posted in acetaldehyde, alcohol flush reaction, alcohol intolerance, aldh2, aldh2 deficiency, aldh2 gene, aldh2*2, asian flush, enzyme deficiency, genetics

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NAC for Asian Flush: What N-Acetyl Cysteine Actually Does (And Doesn't Do)

NAC for Asian flush is one of the most confidently repeated recommendations in online health communities. Reddit threads, supplement forums, and ...

Posted in acetaldehyde, alcohol flush reaction, ALDH2, asian flush, DHM, glutathione, N-acetyl cysteine, NAC, supplement

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Alcohol Intolerance: What It Is, What Causes It, and What You Can Do About It

Alcohol intolerance is a metabolic condition in which the body cannot efficiently break down alcohol, leading to adverse physical reactions — fac...

Posted in acetaldehyde, alcohol flush reaction, alcohol intolerance, alcohol sensitivity, ALDH2 deficiency, Asian flush, genetics, histamine intolerance, sudden alcohol intolerance, sulphite sensitivity

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What is acetaldehyde? The toxic compound behind Asian flush (and why it matters)

Acetaldehyde (CH₃CHO) is a two-carbon aldehyde and the first metabolic byproduct of ethanol in the human body. The International Agency for Researc...

Posted in acetaldehyde, alcohol flush reaction, alcohol intolerance, ALDH2, ALDH2 deficiency, asian flush, asian glow, DHM, flushing, NAC

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The Sunset Blog — Asian Flush, ALDH2 & Alcohol Science

Why do I itch after drinking? The real causes of alcohol-related skin reactions

Histamine intolerance and alcohol: which drinks trigger it (and which to choose instead)

The ALDH2 gene: what it is, how it causes Asian flush, and what to do about it

NAC for Asian Flush: What N-Acetyl Cysteine Actually Does (And Doesn't Do)

Alcohol Intolerance: What It Is, What Causes It, and What You Can Do About It

What is acetaldehyde? The toxic compound behind Asian flush (and why it matters)

Do Tannins Cause Headaches? What Red Wine Actually Does to Your Body

Hangover anxiety (hangxiety): why you feel anxious after drinking and how to fix it

Why do I itch after drinking? The real causes of alcohol-related skin reactions

Can You Develop Alcohol Intolerance? Yes — Here's Why It Happens

Histamine intolerance and alcohol: which drinks trigger it (and which to choose instead)

The ALDH2 gene: what it is, how it causes Asian flush, and what to do about it

Microplastics in Alcohol: What ALDH2-Deficient Drinkers Should Know