Coffee and Chocolate – Do you like dark coffee and dark chocolate? genes explain why

Moderate consumption of coffee and dark chocolate reduces the risk of heart disease, cancer or Parkinson’s, but the taste for these flavors can be genetic

Northwestern Medicine researchers, in the United States, published a recent study where they found that people who like to drink dark coffee also prefer dark chocolate. The reason is in your genes.

Anyone who has a genetic variant with a faster metabolism than caffeine chooses black bitter coffee. The same genetic variant is found in people who prefer darker dark chocolate to sweeter milk chocolate.

The reason is not that they like the taste, but because they associate the bitter taste with the activation of the mental alertness they expect from caffeine. The dark chocolate connection may also be related to the fact that dark chocolate contains a small amount of theobromine, a compound related to caffeine, which acts as a stimulant of the central nervous system.

Drinking coffee and dark chocolate have been shown to reduce the risk of certain diseases, the study corroborates. Moderate coffee consumption reduces the risk of Parkinson’s disease, heart disease, type 2 diabetes and many types of cancer. Dark chocolate appears to reduce the risk of heart disease.

Black coffee drinkers prefer bitter foods

Even if another previous study Conducted by the University of Innsbruck, in Luxembourg, it indicates that people who drink black coffee show psychopathic tendencies, the Northwestern Medicine team has demonstrated that these genetic variants can be used with greater precision to study the relationship between coffee and benefits to health. Previously, scientists used genetic markers to test coffee drinkers in general. The new findings suggest they are stronger markers for certain types of coffee drinkers: those who prefer black coffee.

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According to this article, black coffee drinkers also choose other bitter foods, such as dark chocolate. For this study, we used genetic, dietary and food preference data available from the UK Biobank and two US cohorts. More than 500,000 people between 37 and 73 years of age participated in this experiment.

If we are to reap the benefits of black coffee, we should consume two to three cups a day, researchers say.


Genetic determinants of taste and intake of coffee and other bitter foods and beverages

Individual differences in bitter taste preferences are associated with antisocial personality traits

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