While still hopeful that the country will return to some level of normalcy by the end of 2020, President Biden conceded Friday that the emergence of new coronavirus strains and continued logistical hurdles could push the timeline back.

With COVID-19 demand high and supply still low in some pockets of the country, some see stores of unused doses set aside for nursing homes as fair game.

Methamphetamine use is soaring in the United States, but no available treatment exists—unlike medications authorized to treat opioid use disorder. But researchers think they may have discovered some hope for patients with methamphetamine use disorder.

Fluoroquinolones should be used with caution in all adults, not just in high-risk individuals, suggests a new study published in the January 2020 issue of JAMA Surgery. The study, conducted by Newton and colleagues, found an increased incidence of aortic aneurysm in U.S. adults with no known previous aortic aneurysm or dissection who were taking fluoroquinolones—a powerful class of antibiotics commonly prescribed in the United States.

Deaths tied to the COVID-19 pandemic shaved a year off the life expectancy of Americans during the first half of last year, CDC's National Center for Health Statistics reports. At the end of June 2020, life expectancy at birth had slipped from 78.8 years down to 77.8 years based on provisional estimates, the country's lowest point since 2006.