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BOSTON — The MBTA is finalizing work on a long-delayed train safety system and that will mean shutdowns and shuttle buses along commuter rail lines next month. The T is under a federal mandate to install the Automatic Train Control system on all of its commuter rail lines by this year. The technology uses antennae […]
Smartwatches and rings that claim to measure blood sugar levels for medical purposes without piercing the skin could be dangerous and should be avoided, the U.S. Food and Drug Administration warned Wednesday. The caution applies to any watch or ring, regardless of brand, that claims to measure blood glucose levels in a noninvasive way, the agency […]
