"Our study adds to a growing body of work suggesting that vaccines may play a role in healthy aging strategies beyond solely preventing acute illness," study author Eileen Crimmins, of the University of Southern California, said.
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Venezuela's oil is also of poorer quality than its Saudi equivalent. Its sour, heavy crude is difficult to extract and refine, while its high sulphur content makes it corrosive to pipelines. A resurgence of Venezuela's industry could pose problems for Canada, which produces similarly viscous oil and exports much of it to the US, but analysts reckon the risk is minor.
A new clip of Interview with the Vampire Season 3 has been released, showing Lestat (Sam Reid) not only finding out about Louis' (Jacob Anderson) titular interview, but also hearing its readers unfavourably compare him to his love rival Armand (Assad Zaman). Understandably, he is not having a good time.