Immunity

Dishing the dirt on Alzheimer's

Dishing the dirt on Alzheimer's

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We now share the planet with six billion of our fellow Earthlings. And we're spread across roughly 200 nations. Those of us near the top, however, are paying a price late in life.

Fish oil may bolster immune responses, study asserts

Fish oil may bolster immune responses, study asserts

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In another boost for fish oil, a study has found it enhances the function of B cells, which can benefit immunocompromised individuals.

Seniors' H1N1 immunity could come from seasonal flu exposure, vaccinations

Seniors' apparent immunity from swine flu could indicate that the human population, as a whole, has a preexisting immunity to H1N1. Such thinking would help explain why H1N1 symptoms have been generally mild, researchers said Wednesday.