O-pos usually has a plurality or actual majority of the population depending the ethnicity, and the A-pos comes second.
https://www.statista.com/statistics/1203831/blood-type-distribution-us-by-ethnicity/
Asians have a lower threshold to reach a diabetic state, which is why only a BMI of 23 is needed to qualify for diabetes education. That number however...was likely chose with money in mind because many Asians stay just under that threshold when prediabetic, like my mother, who has an A1C of 6.1 but only maxed her BMI at 22.6. She's O-positive. It did take almost 65 years while on an Chinese diet+American sweets to get that far.
Wouldn't be surprised if sampling issues are prevalent in these matters. After all "science" thought it wise to irradiate the thymus gland because the cadavers used to study the gland came from people from the lower tiers of society and thus their gland size was in part due to environment making them larger.
People who go into science are not very creative. They are fact memorizers and rule enforcer who chose to go into the field for money. Most scientific fields have people who know studies but cannot grasp the level of variable disambiguation needed before leaping to conclusions and promoting protocols based on it.
In fact, out of the sciences, my opinion is economics is probably the best in training students in dealing with variables and each variables' effects, in part because public disasters forced the scientific discipline to analyze and explain the defective outcome, such as the Lucas critique. Medical and nutrition science on the other hand, does not induce the same outrage and the victims who do expire do not have the power to put pressure to fix the paradigm.
www.discovermagazine.com
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