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That makes sense(especially about the germs paranoia).

• coldtea 10y ago
  The way I see it, if they're too small, you need to watch them anyway, or else they will put everything on their mouth, not just dropped food. If they are over that, they're smart enough to understand that they don't eat jelly sandwitch off of the floor, or something they dropped in a public street. But for a casual hard food stuff they dropped on the kitchen floor or living room etc, they can sweep it and eat it -- and get some germ resistance too. E.g.: Just as a baby's brain needs stimulation, input, and interaction to develop normally, the young immune system is strengthened by exposure to everyday germs so that it can learn, adapt, and regulate itself, notes Thom McDade, PhD, associate professor and director of the Laboratory for Human Biology Research at Northwestern University. Exactly which germs seem to do the trick hasn't yet been confirmed. But new research offers clues. In a recent study, McDade's team found that children who were exposed to more animal feces and had more cases of diarrhea before age 2 had less incidence of inflammation in the body as they grew into adulthood. Inflammation has been linked to many chronic adulthood illnesses, such as heart disease, diabetes, and Alzheimer's. "We're moving beyond this idea that the immune system is just involved in allergies, autoimmune diseases, and asthma to think about its role in inflammation and other degenerative diseases," McDade says. "Microbial exposures early in life may be important… to keep inflammation in check in adulthood." (WebMD) or: http://news.ubc.ca/2016/08/10/why-your-kids-should-play-in-the-dirt/ http://news.ubc.ca/2016/08/10/why-your-kids-should-play-in-t...