According to this article, milk from Holstein cows might have downsides and many health consequences including diabetes.

But I am having a hard time finding more articles that bring up the same topic.

As per the article, the difference in digestion between the A1 protein (Holstein) and A2 protein (Jersey, Guernsey, most Asian/African breed cows) has a host of health impacts. Most notable, reduction in autism symptoms, possible schizophrenia reduction and less chance of developing diabetes.

Are there any studies to corroborate these claims, or is this merely the marketing hype that the article states is possible?

  • One claim: "'More than 100 studies suggest links between the A1 protein and a whole range of health conditions' —everything from heart disease to diabetes to autism, Woodford says,'" This is much better asked on Skeptics, I believe. Good luck! :) – anongoodnurse Oct 1 '15 at 21:44
  • A related question was closed: Is A2 milk healthier than A1? skeptics.stackexchange.com/q/30237/5125 – GEdgar Nov 19 '15 at 3:12
  • It was also my question, as you can see. It was closed because it was too broad and I made it more precise here. This one was on "Health" S.E. and was transferred onto here - not my decision! I'll delete it if you think I should. – MicroMachine Nov 19 '15 at 3:17
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    It is a bit old (2005) but interesting: nature.com/ejcn/journal/v59/n5/full/1602104a.html – SteffX Aug 28 '16 at 22:50

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