The True Reason You Are Addicted To Coffee Is Tied To Your Parents, Details Are Here

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The addiction to either coffee or beer is tied to your background, yes, your genes make you love that coffee of beer.

This means that our choices depend on how the pick me ups make us feel – rather than the taste, say scientists.

The breakthrough could lead to a fresh approach in combating obesity and alcohol abuse.

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It also sheds light on why some of us can gulp down a cup of coffee before bed and sleep peacefully and others cannot.

The first genome wide test for bitter and sweet drinks showed preferences hinge on their effects on the brain instead of the taste buds.

Dr Marilyn Cornelis and colleagues mapped the complete DNA of 336,000 individuals from the UK Biobank, a long running survey following the health of around half a million Britons.

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To their surprise a greater liking for coffee, alcohol or sweet beverages was not based on taste gene variants – but those related to the “psychoactive” properties.

These are the chemicals, such as caffeine in coffee and carbonated drinks for instance, that act upon the central nervous system.

This alters brain function – resulting in temporary changes in perception, mood, consciousness and behaviour.

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Dr Cornelis, assistant professor of preventive medicine at Northwestern University, Chicago, said: “The genetics underlying our preferences are related to the psychoactive components of these drinks.

“People like the way coffee and alcohol make them feel. That is why they drink it. It is not the taste.”

It explains why you may swig ale or a glass of wine – while a colleague may ask for a hot brew or a can of cola.

Understanding the phenomenon offers hope of intervening in people’s diets, said Dr Cornelis.

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