On first read, this reminds me of Ayurvedic diets, or the Blood Type diet, or Body Type diet, where you figure out what kind of body you have and follow a diet specific to your type.
Basically, scientists designed specific diets tailored to genetic types, and compared people eating this "nutrigenomics" diet with those eating a regular calorie-reduced diet. The nutrigenomics followers lost more weight.
"Early findings show nutrigenomics could make weight loss more efficient"
http://scopeblog.stanford.edu/2014/0...ore-efficient/
Your Mileage May Vary (YMMV) has been the watchword on diet and health boards for years. Some lose weight on low-fat, or Ornish-style diets. Others find low-carb works better for them.
Now we have some scientific evidence that YMMV isn't just politeness.
What do you think?