Internet hotheads are often literally that, with hateful tweets rising in number as temperatures soar, a new study reports. Temperatures higher than 86 degrees Fahrenheit are consistently linked to heavy increases in online hate messages, according to a review of more than 4 billion English-language tweets. The researchers identified a “feel-good window” between 54 and…  read on >  read on >

While exposure to smog is a known risk factor for preterm birth and low-birth weight, new research suggests it also may heighten risk of COVID-19 infection for pregnant low-income women. Scientists at Columbia University Mailman School of Public Health analyzed the COVID test results for more than 3,300 pregnant women in New York and also…  read on >  read on >

With online medical visits growing in popularity, a new study offers some reassurance: Diagnoses made via video are usually on the money. Mayo Clinic researchers found that of preliminary diagnoses made during video appointments at their centers, 87% were later confirmed during in-person visits. The caveat is, the accuracy varied somewhat according to the type…  read on >  read on >

COVID-19 vaccines will likely go the way of flu shots in the future, with updated doses given annually, U.S. health officials said Tuesday. “In the absence of a dramatically different variant, we likely are moving towards a path with a vaccination cadence similar to that of the annual influenza vaccine, with annual updated COVID-19 shots…  read on >  read on >

WEDNESDAY, Sept. 7, 2022 (HealthDay News) – While researchers explore the possibilities of COVID-19 vaccines that don’t require an injection, public health officials in India and China have already each approved new needle-free versions for their citizens. In India, regulators on Tuesday approved a nasal vaccine developed in the United States and manufactured by the…  read on >  read on >

High levels of air pollution during the first six months of life could affect the colonies of bacteria in babies’ guts, increasing their risk for allergies, obesity, diabetes and issues with brain development, according to new research. Researchers said their new study is the first to show a link between inhaled pollutants from traffic, wildfires,…  read on >  read on >