If you've spent any time partying with Asian kids, you've witnessed it.

Some more bad news for us folks who deal with the "Asian glow," according to a new study… In the presence of alcohol, a defective version of the aldehyde dehydrogenase 2 gene — which causes that pesky redness when we drink — also leads to biochemical changes associated with Alzheimer's disease.

A common mutation in aldehyde dehydrogenase 2, or ALDH2, a key enzyme involved in alcohol metabolism, increases damage in cells from patients with Alzheimer's disease and in mice, according to a study by researchers at the Stanford University School of Medicine.

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