More older Americans use cannabis now than before the pandemic, with 12% saying they’ve consumed a THC-containing substance in the past year.

Testing wastewater for COVID-19 is better than clinical data at predicting future COVID hospital admissions, a new study shows.

A new book sheds light on why the COVID pandemic disproportionately affected non-white Americans.

Extended family can play a significant support role in peoples' lives, a study from 2020 shows.

Over a third of US adults are worried that they or someone in their family will get the seasonal flu, COVID-19, or RSV in the next three months, a survey finds.

Although pet owners report pets improving their lives, there isn't a reliable link between pet ownership and well-being during COVID, a study finds.

Adults who self-reported experiencing adversity in childhood were more likely to be hospitalized or die from COVID-19.

The global COVID-19 vaccination campaign saved 2.4 million lives in 141 countries. Equitable vaccine distribution could have saved 670,000 more.

Children in child care centers don't spread COVID-19 at significant rates to caregivers, other kids at the center, or to family members.

A vaccine designed to protect against three different deadly coronaviruses shows promise in mouse studies, researchers report.