Recent studies have found that habitual coffee drinking actually affects our DNA. But how exactly? Well, it’s complicated.

“Coffee is one of the most consumed beverages worldwide and one of the primary sources of caffeine intake. Given its important health and economic impact, the underlying genetics of its consumption has been widely studied. Despite these efforts, much has still to be uncovered.”

“And now scientists might finally have a way to explain your relationship with coffee, finding that genetic variations that affect how the body breaks down caffeine could be responsible for influencing us to drink more or less of this stimulating beverage.”