3 ms·

You can add to the list a whole host of other things where exposure will increase immune systems and decrease allergies. Once an article appeared that said exp

You can add to the list a whole host of other things where exposure will increase immune systems and decrease allergies. Once an article appeared that said exposure to farm animals also decreases allergies and increases the strength of the immune system.

logn 11y ago
And living with dogs or with the windows open reduces asthma.
- protomyth 11y ago
  some daycares did install air filtration systems and got a whole lot more asthma cases. We didn't have the cash to do that for ours in the 90's and it turned out all the better.