Addicted to coffee? It could be genetic

If you can’t start the day without a mug of coffee, and have to take a coffee break every couple of hours, then it could be due to your genetic make up.

Researchers at Harvard School of Public Health have discovered that two gene variants can drive your coffee consumption, depending on which one you have. The researchers say that their findings could be used to identify sections of the population most susceptible to the effects of caffeine, and to advance study into those effects. They also believe that there are further, similar genes waiting to be discovered. Working with colleagues at the University of North Carolina, the scientists have identified two genes that they believe help govern how the human body processes coffee.

How your genes affect your coffee consumption

If you have the high-consumption variant of one or both of the genes, known as CYP1A2 and AHR, then you’re more likely to drink coffee regularly. Those with the other variant tend to drink less coffee daily, or drink it less regularly. Before publishing the results, the scientists looked at the genes of over 47,000 participants and compared their genetic fingerprint with their coffee drinking habits. The results showed that people with the high-consumption variant were likely to drink around 40mg more caffeine than those with the other gene variant. Although the amount of caffeine is relatively low, the results were consistent and the research team believe that our genetic makeup does play a part in our coffee-drinking habits. If you have the lower-consumption variant, you’ll process caffeine more slowly, so that it stays in your system for longer and you should need to drink less of it.

Whether it’s genetic or not, we still say nothing beats a really good cup of coffee – and we’ve got everything you need to keep your commercial cafe business, office or catering company running smoothly. Take a look at our main website to find out more.