Why Don’t Europeans Have the Same Reaction to Dairy and Wheat?

Culture shock is sometimes subjective – but in this case, there’s plenty of cold, hard evidence to prove it.

Seeing Europeans leave jugs of milk on the counter overnight would certainly cause an American to raise an eyebrow. (And for what it’s worth, vice versa.)

Of the top 10 countries with the lowest rates of lactose intolerance, eight of them are European.

Unsurprisingly, the United States doesn’t crest that list.

But our investigation shouldn’t stop there. It isn’t just that Americans are less likely to possess the gene that processes lactose. It’s that the cows are different. The dairy industries are different. The processes of problem solving are different.

In fact, Americans often find that while they were unable to tolerate dairy in their home country, European milk doesn’t bother them.

We’re going to dig into some of the main reasons that’s the case. 

BST Growth Hormone

BST, a growth hormone, naturally occurs in milk. But not all cows are injected with the hormone. Injecting cows with BST allows them to produce up to 20% more milk. 

Europe banned the practice of BST injections in 1990 – however, the United States has not. (It’s worth noting that BST is produced by Monsanto, the same company that makes Roundup.)

While the hormone does increase milk production, it has also been found to correlate with higher instances of colorectal cancer and prostate cancer in women and men, respectively. This is because the hormone raises the presence of IGF-1 (insulin-like growth factor-1).

And while both European and American dairy milk is pasteurized, only American milk retains the high levels of this hormone after pasteurization (because Europe doesn’t use additional BST to begin with.)

Some studies have even shown that pasteurization can increase IGF-1 levels. Plus…

Rampant Illness Means Antibiotics

The hormones can increase instances of the cow’s illnesses. But that illness increase is also compounded by the conditions North American cows live in.

Most of our milk comes from cows in enormous production systems – sometimes with more than 15,000 cows in one facility.

Not only do the crowded conditions foster disease, but the hormones we just talked about raise the likelihood of cows getting mastitis (infected udders). When that happens, pus and blood make it into our milk supply. 

That means we have to treat these sick cows with antibiotics… and eventually, that leads to antibiotic resistance in humans. In the U.S., there are about 2 million cases per year of antibiotic-resistant infections.

In the Netherlands, when they made the connection between antibiotic use in veterinary healthcare and AMR (antimicrobial resistant) infections in humans, they lowered the use of antibiotics and…

There was a huge reduction in AMR infections in people. 


Now, we said everyone pasteurized milk, for the most part.  

In Europe, however, they use UHT (ultra-high temperature) pasteurization and in the states and Canada, we use HTST (high temperature, short time.)

Here’s what that means: HTST kills off most of the bacteria in the milk, which is necessary here because of all the hormones and illnesses. However, that’s why our milk expires so quickly, and why we’re required to keep it cold.

UHT pasteurization uses a much higher temperature and for an even shorter time – about three seconds. The milk tastes differently than American milk, because most of the sugar burns off in the process. It also becomes more stable, so it can be left on the shelf rather than refrigerated.

The bacteria stays gone for around six months, usually.

Amino Acid Differences

And finally, there are some key differences in amino acids. 

All cow’s milk contains beta casein, a protein. Beta casein is a chain of 229 amino acids. 

The difference between American cows and European cows has to do with amino acid 67 – in European cows, it’s a proline. Because of a genetic mutation in American cows, amino acid 67 is a histidine. 

Now, there’s a protein fragment called beta-casomorphin 7 (BCM-7). 

This protein fragment can get released into the bloodstream or not; if it does, it can stimulate opiate receptors that are associated with autoimmunity, and it has also been linked to dairy intolerance. 

The proline amino acid holds the BCM-7 tightly and doesn’t let it release into the bloodstream. The histidine amino acid does let it release into the bloodstream.

So milk from American cows can allow an amino acid into the bloodstream that irritates those with already unstable guts. 

European and American food regulation systems are incredibly different. 
But perhaps they are the most different in their handling of milk. There’s a reason, after all, that the instances of lactose intolerance (and gluten intolerance – but that’s for a later issue) are so much higher in the States.

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NY Times Best Selling author and film maker. Taoist Abbot and Qigong master. Husband and dad. I’m here to help you find your way and be healthy and happy. I don’t want to be your guru…just someone who’ll help point the way. If you’re looking for a real person who’s done the work, I’m your guy. I can light the path and walk along it with you but can’t walk for you.