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Trying to Find a Healthy Diet? Look to Your Genes
I Got My DNA Analyzed, and I Changed 4 Eating Habits Based on the Results
As a registered dietitian, I often talk about how to make healthy eating more realistic. There's a lot that's within your control, like focusing on eating whole, healthy foods instead of counting calories, and organizing your kitchen to make it harder to accidentally overindulge. But I also know that eating well isn't just about choosing to do so—genetics determine a lot, too.
Should athletes use caffeine to boost performance?
Caffeine provides a life-affirming jolt in cubicles the world over.
But could it also give athletes an edge?
That’s the question being answered by Toronto scientists, who are closer to defining the relationship between caffeine and genetics when it comes to improving athletic performance. Their research, which will be published in an unnamed science journal next month, could have ramifications in the sporting world.
Down to the Wiring
Is caffeine slowing you down?
Recently, Nanci Guest, a registered sports dietitian and PhD candidate at the University of Toronto, recruited 100 athletes for a test. They all rode a 10-km time trial. Before each test ride, an athlete was given a caffeine supplement: either 4 mg/kg of body weight, 2 mg/kg of body weight or a placebo. Guest wanted to see who exactly got a benefit from the caffeine and who didn’t. She figured the results were connected to an athlete’s genes.
Read more: cyclingmagazine.ca