Trying to Find a Healthy Diet? Look to Your Genes

Unlocking the secrets of one’s genetic code used to be confined to the laboratory, but increasingly, the big business of DNA is now going after your eating habits.

Scientists already know that variations in our genes determine how well our bodies metabolize certain compounds — for example, people with a variation of the CYP1A2 gene metabolize caffeine more slowly and are at an increased risk of heart attack and hypertension if they drink more than a couple of cups of coffee a day.

Genetic testing service 23andMe has genotyped more than 2 million customers to determine ancestry and genetic health risks, and Nutrigenomics offers tests designed to help medical professionals make recommendations for a person’s intake of sodium, omega-3 fatty acids, vitamin C, and — yes, caffeine.

“There’s research now showing that people who get DNA-based dietary advice are more likely to follow recommendations. So not only are people getting more accurate dietary advice, but they are more likely to follow it,” said El-Sohemy.

Read more at NBC News