New says that DNA helps decide we prefer coffee or tea. Researchers from a in Australia studied our DNA affected our and why we like some things more than . The researchers think they know why of us prefer coffee while others like tea. People who like bitter tastes are more to drink coffee. People who are more to the bitter taste of caffeine are more likely to prefer coffee to tea. They were also more likely to drink more coffee than those who were not so sensitive to .
Researchers looked at on more than 400,000 people. They also looked at a that compared the tastes of 1,757 twins with their . DNA is not the only affecting people's tastes. Other things like our environment, factors or the of medicine can also affect our taste. One researcher said we can learn to like coffee. He said: "Bitter taste...is shaped not by [DNA], but also factors. Even though humans dislike bitterness, we can learn to like or enjoy -tasting food after being exposed to environmental factors."