Health

Transparent face masks protect while facilitating communication

Commercially available transparent face masks allow for the perception of facial expressions while suppressing the dispersion of respiratory droplets that spread the SARS-CoV-2, and thus have a clear advantage over surgical ...

Medical economics

Who should get vaccinated first where supplies are limited?

Nearly a year after many rich nations achieved widespread vaccination against COVID-19, many less affluent countries still face difficult choices about which groups of people should be the first to receive vaccines from a ...

Health

Age 40 is when busy Americans get the least sleep

A graph of how long Americans sleep forms a U-shaped pattern across our lives, with age 40 being the low point and hours of sleep starting to creep back up about age 50, Medical College of Georgia investigators report.

Pediatrics

Childhood health and cultural inequalities: Women pay the price

Lack of physical activity is linked to a host of health problems, including an increased risk of cardiovascular diseases, type 2 diabetes, and even certain types of cancer. Past research has shown that socioeconomic factors ...

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