Sometimes infectious diseases can be passed on by adults who haven't gotten recommended booster shots, such as for whooping cough.

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He was bragging about Massachusetts on the way over here -- I told him, you don't have to be a booster, I already love the state. (Applause.) But he helped make this happen.

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"I don't call him, he calls me, " says Elliot Maisel, an Alabama booster and the chief executive of Gulf Distributing Holdings, a beer wholesaler in Mobile.

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Ginkgo is a top-selling herb and has been hailed by some as a memory-booster, but the new University of Pittsburgh study found it didn't help prevent Alzheimer's or other forms of dementia in more than 3, 000 elderly study subjects.

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"Getting a result last weekend was a great confidence booster for the whole squad, but we know that the standard we produced last week won't be good enough against this Irish team, " Deans said.

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