OPINION: Exercise gives genes a workout, but can coffee do the same?

"Your daily coffee could be giving your genes a workout!" Image: marcomayer/iStockphoto Have you ever wondered how you could get more out of your workouts? And have you ever wondered what actually happens to your muscles when you exercise? Recent studies have begun to look, in detail, at the changes that occur in the way our genes are used both during and after exercise. And the results of the most recent study, by Dr Juleen Zierath and colleagues, might hold insights into why our fitness trails off after stopping exercise. But first, a bit of background. Of the tens of thousands of genes you have in each and every cell of your body, only a subset are used at any one time in each cell. If a gene is used, the information within is used to create a protein product; a process called gene expression. The genes that are used (the gene expression, in other words)...

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