Major Increase Reported in Cannabis Vaping Among All Adolescents in U.S.
Largest increases found among high-school seniors, tripling in 2 years from 5 to 14 percent. Cannabis vaping is increasing as the most popular method of…
Columbia University Mailman School of Public Health News
Having More Than Two Children Can Cause Cognitive Decline
Having three or more children, as opposed to two, has a negative effect on late-life cognition. As of 2020, the average American family has 1.93…
Delta Variant Is 60% More Contagious Than Original COVID Virus and Can Escape Immunity
The Delta variant is more contagious than original SARS-CoV-2 and better able to escape prior immunity, according to modeling studies of coronavirus variants. Researchers at…
1 in 3 Americans Already Had COVID-19 by the End of 2020
Undocumented infections accounted for estimated three-quarters of infections last year. A new study published in the journal Nature estimates that 103 million Americans, or 31…
Allocating COVID Vaccines Based on Health and Socioeconomic Factors Could Cut Save Lives
Study suggests spatial relationship between COVID-19 mortality and population-level health factors. An estimated 43 percent of the variability in U.S. COVID-19 mortality is linked with…
First Test for All Known Human Coronaviruses, Including New COVID-19 Mutations
The test is highly sensitive and prevents false positives that happen due to the genetic similarity of SARS-CoV-2 and other human coronaviruses. Scientists at the…
U.S. Needs Clear COVID-19 Vaccine Distribution Strategy to Defeat Coronavirus
An opinion piece published in The BMJ — a peer-reviewed medical journal by the British Medical Association — written by Nina Schwalbe in the Heilbrunn…
Columbia Researchers Warn: Several U.S. Populations and Regions Exposed to High Arsenic Concentrations in Drinking Water
Odds of exceeding maximum contaminant levels were significantly greater for water systems in the Southwest and serving Hispanic communities. A new national study of public…
Contrary to Some Claims, Cannabis Use Appears to Encourage, Not Replace, Opioid Use
Contrary to some claims, people in the U.S may not be substituting cannabis for opioids, according to new research at Columbia University Mailman School of…
Wake-Up Call: Measles Outbreak in NYC Fueled by Low Vaccination Rates and “Measles Parties”
Study is a wake-up call for the potential of another such outbreak, as vaccination rates plummet during the COVID-19 pandemic. An analysis of the 2018-2019…
Uber and Lyft Ridesharing Linked to More Crash Injuries for Motorists and Pedestrians
Ride-hailing trips increase the number of crashes for motorists and pedestrians at pick-up and drop-off locations, reports a new study from researchers at the Columbia…
Researchers Discover a Common Medicine May Prevent Harm to Lungs From Air Pollution
A new study is the first to report evidence that nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin may lessen the adverse effects of air pollution exposure…
Treatment for High Blood Pressure May Slow Cognitive Decline
High blood pressure appears to accelerate cognitive decline among middle-aged and older adults, but treating high blood pressure may slow this down, according to a…
