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Some CT scans may have too much radiation, researchers say

Unnecessarily high radiation doses in CT scans have been linked to cancers. Under new federal rules, doctors and imaging centers have to more closely track and report the doses that patients get.
NBC News - 1d
Tesco trials giant trolley scales in Gateshead

Trolleys are weighed before checkout to identify any items customers might have missed or scanned twice.
BBC News - 2d