An Oxford hospital is cutting its greenhouse gas emissions by changing how it delivers nitrous oxide to patients.

An 18-year-old man was killed last year when another driver collided with him and was later discovered to be high on nitrous oxide.

TMZ reported that the medical examiner said that “three large canisters of nitrous oxide” were found next to his body, and that he also had antidepressants in his home. While the medical examiner did ...

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