Overholt doesn't believe the allergic response inherently triggers depression, but could circumstantially make existing depression worse.

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One theory is that as some children's immune systems mature, becoming more adult, the allergic response goes away.

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But the paclitaxel triggered an extreme, nearly overwhelming allergic response, so he switched her to a regimen of carboplatin plus gemcitabine.

NEWYORKER: Letting Go

Because of the remaining amount of egg in the injection, it should not be given to people who have an anaphylactic allergic response to egg.

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The UCL team discovered that MIP-1a plays a key role in the early stages of an allergic response within the clear membrane that coats the inner surface of the eyelid and outer surface of the eye, known as the conjunctiva.

BBC: NEWS | Health | Eyelid protein is key to allergy