Lisa Marshall

With their brains, sleep patterns and eyes still developing, children and adolescents are particularly vulnerable to the sleep-disrupting effects of screen time. Watch a short video interview.

Researchers are studying 5,000 twins to paint a more accurate picture of how marijuana use changes as a result of legalization and how those changes may impact health in the long run.

Studies have long shown researchers publish prolifically in the first decade of their career, followed by a decline in productivity. But a CU Boulder study found that stereotype to be "remarkably inaccurate."

Professor Tiara Na'puti, a member of the indigenous Chamorro people of Guam, testified before a United Nations committee this week calling for its help in hastening decolonization of the beleaguered island.

The number of high schoolers playing American football grew steadily from 1998 to 2009 but then began a notable decline that's likely to continue, according to CU Boulder Professor Roger Pielke.

Negative sentiment about vaccines is alive and growing in social media, according to an expansive study designed to examine the prevalence and geographic clustering of online viewpoints.

Ask someone who gardens what they love most about it, and the answer often is: it makes them feel better. A new trial is exploring the measurable health benefits of community gardening.

Social computing researcher Casey Fiesler, of the College of Media, Communication and Information, has been awarded a National Science Foundation grant to study legal and ethical issues surrounding big data research.

Mortality researchers are challenging the idea that economically influenced "despair deaths" are killing middle-aged white men, pointing to prescription painkillers and obesity instead.

A revelation involving the damage radiation-exposed cells from cancer treatments can do to healthy cells, causing side effects, could be good news for patients.