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Screen time may not be as harmful as previously suspected for school-aged children and may have some important benefits, according to one of the largest studies to date exlporing how screens impact youth.

A nationwide abortion ban would lead to a 21% increase in the number of pregnancy-related deaths overall and a 33% increase among Black women, according to new CU Boulder research.

CU Boulder sleep researchers have found it's possible to determine the timing of a person's internal biological clock via a single blood draw. Ultimately, the findings could lead to personalized recommendations for when people should eat, sleep, exercise and take medications.

A new CU Boulder study shows that rising up out of the saddle and gently swaying the bike side-to-side, known in French as "en danseuse," can significantly boost performance.

With fires blazing across Colorado, California and Oregon, much of the Western United States is awash in smoke this summer. How does the smoke impact our health? Is it OK to exercise outdoors? What can we do to protect ourselves indoors? Colleen Reid has answers.

In the wake of U.S. sprinter Sha'Carri Richardson's controversial pre-Olympic suspension for marijuana use, we ask cannabis researcher Angela Bryan what the science really says: Does weed really make you faster? Is it bad for you? Should it be banned from sport?

Strength training for your breathing muscles? Daily High-Resistance Inspiratory Muscle Strength Training lowers blood pressure and improves vascular health as well as, or even more than, aerobic exercise or medication, new CU Boulder research shows.

Life expectancy in the United States plunged by nearly two years in 2020, the largest decline since World War II, new CU Boulder research shows. Among some racial minorities, the decline was twice that of whites; and compared to 16 wealthy peer countries, the U.S. decline was 8.5 times worse.

New research shows pregnant women exposed to higher levels of air pollution have babies who grow unusually fast in the first months after birth, putting on excess fat that puts them at risk of obesity and related diseases later in life.

A study including data from more than 840,000 people found that going to bed and waking up an hour earlier was associated with 23% lower risk of depression.