Any chemicals applied within a few weeks of harvest become part of the plant, including its seeds/grain.
Humans have symbiotic relationships with microbes within our intestinal tracts. We're only being to realize this complicated process that affects not only our digestion, but our entire metabolic system including our brains.
Roundup Sprayed on Dozens of Crops Pre-Harvest
by Sarah Pope MGA
The currently accepted view is that glyphosate is not harmful to humans or any mammals. This flawed view is so pervasive in the conventional farming community that Roundup salesmen have been known to foolishly drink it during presentations!
Just because Roundup doesn’t kill you immediately doesn’t make it safe though! The health-robbing effects are actually slow and insidious over months and years.
The decline in health occurs because glyphosate lethally disrupts the shikimate pathway found in beneficial gut microbes. This probiotic pathway is responsible for the synthesis of critical amino acids and the cytochrome P450 (CYP) enzymes. CYP enzymes are used by the body to detoxify the multitude of foreign chemical compounds and xenobiotics. No matter where we live, we are exposed to these toxins in our modern environment every single day.
As a result, people exposed to glyphosate residue through the ingestion of food crops treated with it just before harvest become even more vulnerable to the damaging effects of other chemicals and environmental toxins they encounter! This is possibly the worse result of glyphosate exposure. It makes you a sitting duck for any other toxins you encounter.
In addition, by significantly disrupting the functioning of beneficial bacteria in the gut, permeability issues related to the intestinal wall can occur over time. This slow degradation of gut function encourages the development of a myriad of autoimmune disease symptoms. These diseases include celiac disease, food allergies, Crohn’s, IBS, asthma, ulcerative colitis, MS, lupus, eczema, cancer, and the list goes on and on.
https://www.thehealthyhomeeconomist.com/pre-harvest-roundup-crops-not-just-wheat/
Do your own research, of course. It's your life, health, and pocketbook.
Just because Roundup happens to be the bee that seems to have got into Sarah Pope's bonnet, doesn't mean it's as harmful as several other of the artificial molecules that you've most likely ingested in the past couple of days.
Personally, I'll stick with what I'm doing. I have no allergies and I haven't been sick in years (10 maybe?), with the exception of a cold a little over two years ago. That cold didn't even last 24 hours. My blood pressure and resting heart rate are generally down close to the "athlete" level for my mid-60s age. I USED TO get sick as often as the others in the office where I worked. Blood pressure routinely in the "high normal" range at it's lowest. Weighed about 30 pounds more than I do now.
I work at trying to reduce my intake of ALL artificial compounds, including sugar. I say reduce, not eliminate. The body has detoxification systems that are specifically designed to get rid of toxins, and they work well as long as they don't get overloaded. My ingestion of glyphosate is down from what it used to be in decades past, but not because I specifically avoid it. I've just replaced a large part of my former diet with foods/drinks that I now grow myself. So is my improved health from years ago due specifically to reducing my consumption of glyphosate? No way to know for sure, but I doubt it. If I had to bet, I'd put my money on the reduction in the artificial sweeteners and the various sugars found in the food I used to eat in larger quantities than now.