Subscribe now

CHOCOHOLICS beware: your favourite food contains substances that help produce
alcoholics’ cravings for booze.

These “neuroactive” alkaloids, known as tetrahydro-beta-carbolines, are
produced when our bodies metabolise beer, wine or spirits. Now researchers at
the Spanish Council for Scientific Research in Madrid have found these alkaloids
in chocolate at concentrations as high as 7 micrograms per gram (Journal of
Agricultural and Food Chemistry, vol 48, p 4900).

“I don’t know if chocolate is really addictive,” says Tomas Herraiz, “but the
cravings are real.” This might explain why rats drink less alcohol if given
chocolate, he adds. On the other hand,…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Popular articles

Trending New Scientist articles

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop