Athletic performance is based on both genetics and the time and dedication you put in to practicing your sport.
Research shows that at the elite level, genetic variants that impact muscle composition make a difference.
There is also a strong genetic component involved in the motivation to exercise.
A new study in the journal Behavioral Brain Research paints a fascinating picture of why some people are more motivated to exercise. The study looked at the dopaminergic system to see how people’s genetic variants could alter the ‘reinforcing value’ of exercise.