An interesting study in Nature titled Genetic Polymorphisms in ADORA2A and CYP1A2 Influence Caffeine’s Effect on Postprandial Glycaemia (open access!) caught my eye. The study investigated how the genetic variants for caffeine metabolism interact with carbohydrate consumption.
Quick summary: Consuming caffeine along with carbohydrates changes glucose response for people with certain genetic variants - and doesn't change blood glucose levels for those without the variants.
A little background...
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Everthing presented on this site is for informational and educational purposes only. Read the research, decide for yourself, talk with your doctor.
Genetic variants only give you part of the picture -- your lifestyle, diet, gut microbes, and environment all interact with your genes.
Research on genetics is fairly new and ever changing. Articles all contain links to references, and you are encouraged to read through the research.
* Genetic variants are all listed in the plus or forward orientation to match with 23andMe or AncestryDNA data.
Everything on this website is for educational purposes only and not to be used as medical advice. Please talk to your doctor for medical adivice.