We may not realise it, but it appears that many routine aspects of our daily lives might be partially driven by our genome. Subtle genetic tweaks in your taste receptors help to determine whether you prefer drinking coffee or tea. It turns out that coffee lovers are less sensitive to the bitterness of caffeine, while tea aficionados do not perceive other types of bitter chemicals quite so potently.
Genetics also play a role when it comes to our inclinations or aversions for all sorts of different activities. At a simplistic level, it governs both how much you enjoy exercising, and whether you prefer more solitary forms of physical activity such as running, or competing with others as part of team sports. But our DNA can also point us towards more specific leisure-time pursuits.
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