Research says DNA affects we prefer coffee or tea. Researchers studied our DNA did , and why we like some things more than others. The researchers said people who like tastes are more to drink coffee. People who are sensitive to the bitter taste of are more likely to prefer coffee. They were also more likely to drink more coffee than who were not so to caffeine.
Researchers looked at on more than 400,000 people. They also looked at the of 1,757 and their brothers and sisters. They said other can also affect our taste, like our , social factors or . One researcher said: "Bitter taste...is shaped not by [DNA], but also environmental . Even though humans dislike bitterness, we can learn to like or enjoy bitter-tasting ."
