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Studies

The health effects of screen time on children: A research roundup

Source: JournalistsResource.org

This research roundup, originally published in May 2019, has been updated to include a recent systematic review and meta-analysis looking at the effects of screen time on academic performance.

Gone are visions of idyllic childhoods spent frolicking in fields and playing in pastures; for many kids, green grass has been replaced with smartphone screens.

Californians eat healthier when living near large immigrant populations

Source: JournalistsResource.org

Native-born Americans who live in Los Angeles County neighborhoods with a higher proportion of immigrants tend to eat less fast food and more fruits and vegetables than those who live in local neighborhoods with a lower proportion of immigrants, new research finds. They also have lower body mass indices and rates of hypertension.

Can medical marijuana really play a role in easing the opioid epidemic?

Source: JournalistsResource.org

A recent study challenges the role that legalizing medical marijuana might play in easing the opioid epidemic.

The paper, published in the Proceedings of the National Academy of Sciences in June 2019, indicates that a previously reported relationship between medical marijuana laws and declining opioid overdose deaths has not held up over time.