Every medical advance comes with at least some caveats, but last week's news about an experimental treatment for people who are allergic to peanuts includes more than the usual paragraph of fine print. For starters, it's clear that the treatment is not a cure for peanut allergy. Not only might you have to take it for the rest of your life, but you would still have to avoid peanuts. And if it ever becomes available (a big "if," given the frosty relations among the companies involved in its development) the treatment is likely to be quite expensive--at least $10,000 a year.
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