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Health & Wellness

Wait for ‘high’ before gobbling more cannabis edibles to avoid ER visit: doctors

VANCOUVER — People who have never smoked marijuana could be most at risk of overdosing on cannabis-infused edibles that will soon be on store shelves across the country, warns a public health physician who says first-time users may keep noshing away while expecting a high, only to experience a racing heart, anxiety and panic attacks.

Century-old TB vaccine may work better if given in a new way

WASHINGTON — Scientists think they’ve figured out how to make a century-old tuberculosis vaccine far more protective: Simply give the shot a different way.

In a study with monkeys, injecting the vaccine straight into the bloodstream dramatically improved its effectiveness over today’s skin-deep shot, researchers reported Wednesday.

McGill study finds some premium tea bags leach billions of microplastics per cup

MONTREAL — A McGill University professor says tea lovers may be swallowing billions of tiny plastic particles along with their favourite brew.

Nathalie Tufenkji published a study Wednesday in the U.S. journal Environmental Science & Technology that examined the amount of microplastics and nanoplastics released when four unnamed brands of tea bags were steeped in hot water.