All your choices when it comes to a filter coffee or hoppy beer in the summer, actually says about how the drink makes you feel rather than how it tastes, finds out a genome-based study.
The researchers studied variations in our taste genes that could explain our choice of beverages because understanding those preferences could suggest ways to intervene in people's diets.
They came out with the fact that taste preferences for bitter or sweet beverages are not based on alterations in our taste genes but rather genes related to the psychoactive properties of these beverages. "People like the way coffee and alcohol make them feel. That's why they drink it. It's not the taste," said Marilyn Cornelis, Assistant Professor at Northwestern University Feinberg's School of Medicine.
The study published in the journal Human Molecular Genetics, beverages were categorised into a bitter-tasting group and a sweet-tasting group.
Bitter drinks included coffee, tea, grapefruit juice, beer, red wine and liquor.The researchers gave questionnaires to about 336,000 individuals asking them to submit a report what they ate and drank over the past 24 hours. Not just that, these scientists also conducted a genome-wide association study of bitter beverage consumption and of sweet beverage consumption.
"To our knowledge, this is the first genome-wide association study of beverage consumption based on taste perspective. It's also the most comprehensive genome-wide association study of beverage consumption to date," said Victor Zhong, the study's lead author.According to the researcher Marilyn Cornelis, the study brings out important behavior-reward components to beverage preferences and adds to our understanding of the connection between genetics and beverage consumption -- and the potential hurdles to intervening in people's diets.
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