Attention to climate change has rapidly declined in recent months. That's concerning, say study authors who found that simply directing one's attention to an environmental risk—even briefly and involuntarily—makes people more concerned and willing to take action.
Use marijuana while pregnant, and your child is more likely to suffer sleep problems as much as a decade later, according to a new CU Boulder study of nearly 12,000 youth.
Smoking high-potency marijuana concentrates boosts blood levels of THC more than twice as much as smoking conventional weed, but it doesn’t necessarily get you higher, according to a new study of regular users published today by CU Boulder researchers.