Instead, while the natural cannabinoids elevate the normal level of activity already going on in the system, rimonabant lowers it so the result is precisely the reverse of activating the receptor naturally.

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Data seen by the BBC suggested that the blocking of The Pirate Bay had only had a short-term effect on the level of pirate activity online - with levels of peer-to-peer sharing returning to normal soon after.

BBC: Court orders UK ISPs to block more piracy sites

The level of financial speculation in commodity trading today may be 2 to 3 times normal activity.

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