Have a look at this: Having Siblings Cuts Asthma Risk
There are a few things I'm not understanding: If asthma risk is greater in kids born July-December than in kids born January-March, how does the risk for kids born March-July measure up?
If the risk is reduced for children who have siblings, why is the risk increased if a sibling is already asthmatic? Is the risk only reduced for multiples or people who *didn't* already have asthma in their families? Wasn't the latter group already at a reduced risk?
The study also puts at higher risk "if their primary-care provider was a pediatrician." Ummm....who should the primary-care provider for my preschoolers be? A pulmonologist?
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