Antibiotics kill germs and bad bacteria, but they also kill good bacteria. And here’s what happens when we expose ourselves to antibiotics from many different sources in our society: from penicillin to flu shots to the antibiotics given to farm animals. Bacteria and other intestinal microbes adjust the level of the hormones ghrelin and leptin, which regulate appetite and metabolism. Certain microbes seem to be associated with a desire for chocolate according to research by the Nestle Research Center. A recent study suggests that emotional stress triggers an explosion in the population of B. theta, the starch-digesting bacteria associated with weight gain.
From birth, microbes colonize us. After birth, while our immune system is still undeveloped these microbes learn to tolerate or destroy foreign substances. The immune cells in the respiratory and digestive systems sample all the microbes we inhale or swallow. When they see the same ones over and over (fats and sugars), they then secrete an anti-inflammatorily substance that signals the microbe-killing T-cells to stand down.
In order for the immune system to know which bacteria are good or bad, they sample all the microbes we inhale or swallow. The essentials steps in the development of a healthy immune system begin at birth. But there is a fine line between recognizing substitutes as foreign and deadly, or harmless. But to develop a properly functioning immune system, it must be exposed to a wide range of harmless microbes early in life. This was the normal condition of most human infants until just a few generations ago.
Now, from the day we are born we are exposed to antibiotics in the food we eat or in the form of preventative injections, and kept in a sterile, perfectly clear environment. Cover the dirt floor, banish farm animals to a distant feed lot, treat the ear infection with penicillin and the inflammation-calming lnterleukin-10 reaction may fail to develop properly. And inflammation is now considered the greatest risk factor for heart disease and stroke.
Modem sanitation, to an extent, is a good thing, but keeping the children at a safe distance from all microbes and it tips the immune system in the direction of over reaction, whether to outside stimuli or even to the body’s own cells. If the immune system is not familiar with external micros, it launches an extreme (what would be a minimal assault if faced earlier in life by an as yet undeveloped immune system) assault resulting in allergies and asthma. But if the immune system turns on the body itself, then you see irritable bowel syndrome, lupus, or MS among many other autoimmune diseases that were virtually unknown to our ancestors., but are increasingly common in the developed world.
The answer is to minimize immunization and expose young children to a wide range of harmless germs like those found in a playground or a park. And treat all saturated fats and sugars are foreign substances, because, very quickly, right after birth, the body learns to disregard them.
One microb in particular, Mycobacterium vaccae, is found I the soil in East Africa. That has a powerful effect on the immune system. It was tested by the university of Bristol as a cancer therapy. The results showed, indeed, that it had anti-cancer properties. But what was just as impressive was that cancer patients felt better regardless of whether or not their cancer was actually improving. When scientists injected mice with Mycobacterium vaccae, they found it activated the serotonin receptors working like an anti-depressant.

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