Health

Rather than running slower for longer distances and faster for shorter distances, recreational runners tend to run at their own preferred running speed (one that minimizes energy cost) regardless of distance.

Current Biology

Children in China that spent a larger amount of time watching screens from 6 months to 3 years of age had worse cognitive development.

JAMA Pediatrics

Women did not report menstrual cycle changes three or more months after COVID-19 vaccination.

Liebert Pub

Health

American adults viewed police more negatively if they were younger, had a lower income, or lower education level.

UChicago Press Journals

During the COVID-19 pandemic, mask buying and wearing increased after being recommended by the CDC in 2020.

Frontiers

For people with chemophobia (a fear of chemicals), providing basic information about how chemicals worked was more effective at reducing their fear than sharing the benefits of chemicals.

ScienceDirect

Air pollution may affect the heart rate of developing fetuses.

More tooth loss is associated with greater cognitive decline and dementia in elderly people.

JAMDA

Health

Medical cannabis and cannabinoids may improve sleep for people with chronic pain. Side effects, however, may include nausea, dizziness, diarrhea, and fatigue.

Health
Sleep

More fried food servings per week is associated with greater chance of major cardiovascular events like heart attacks.

BMJ
CNN