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Studies suggest that smoking heavily in adolescence may affect brain function in adulthood, but there's a dearth of hard evidence for voters contemplating pot's long-term effects.
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A review of studies on the effects of using marijuana while pregnant found no harms to newborns. But other studies have found an increased risk of thinking problems and ADHD in older children.
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This fall, five states may legalize marijuana for recreational use. The change means parents and kids talk about marijuana in a whole new light.
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Licenses for scientific research on marijuana could soon be available in Washington state, despite strict federal rules about research on the drug. Under…
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Recreational marijuana buyers in the south Puget Sound can now find products with a union label.Perma, a Tacoma-based cannabis grower and processor, is…
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Washington Gov. Jay Inslee said he’s disappointed by the federal Drug Enforcement Administration's decision not to reclassify marijuana. In a letter...
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In Washington state, fatal crashes involving drivers who’ve used marijuana have doubled since recreational pot was legalized in 2012. That’s according to…
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Blood alcohol levels match well with a person's impairment. But the THC in marijuana doesn't move around the body the same way, so blood tests can miss people who are stoned.
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A study of health problems in adulthood and levels of pot smoking in teen boys found no connection. This contradicts other studies that have found more psychotic disorders in marijuana users.
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It takes a lot of electricity to grow marijuana indoors. Lights and ventilating fans are some of the biggest culprits.