Most notably, the researchers did not determine whether the study participants ate dark, milk, or white chocolate.
Flavonols are found in cocoa, and dark chocolate contains more cocoa than milk chocolate does.
"Dark chocolate exhibits the greatest effects, milk chocolate fewer, and white chocolate no effects, " says the lead author of the study, Brian Buijsse, a nutritional epidemiologist at the German Institute of Human Nutrition, in Nuthetal, Germany.
You take dark chocolate, you mix it with white milk, and it becomes a delicious drink.
Using one of the surveys administered during the study, the researchers estimated that 57 percent of the participants ate milk chocolate, 24 percent ate dark chocolate, and 2 percent ate white chocolate.
In the sweets category, plain old chocolate is the most popular, but milk chocolate was 37% more popular than dark chocolate in the past month.
"The benefits of chocolate come from flavonoids, and those are mainly found in dark chocolate, not Easter eggs, which are usually milk chocolate and have a lot of saturated fat, " says Julia Zumpano, a registered clinical dietitian at the Cleveland Clinic, in Ohio.
Northern Europeans eat more milk chocolate than southern Europeans, who prefer the dark variety.
The study also noted that while dark chocolate had been linked to benefits for the heart in the past, milk chocolate was the preferred option in Sweden and in the study.
Smoking camel milk is apparently common in some countries and at the bottom of the bottle there are tiny dark particles, burnt wood from the smoking process.
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