According to the Washington Post, face masks with the coin-sized valves on the front may not be as good at preventing the spread of the novelĀ coronavirusĀ as the seemingly lower-tech, non-valved masks. Questions: Why are the lower-tech masks better at preventing the spread of COVID-19? Do medical masks have the valves? What does the CDC recommend… Read more »
Posts Tagged: CDC
An Epidemic or A Disorder Proliferated by Marketing?
The sales of prescription stimulants for A.D.H.D. have more than quadrupled since 2002. Is it an epidemic? According to Dr. Keith Conners, a psychologist and professor emeritus at Duke University, who has been fighting to legitimize A.D.H.D diagnoses for the past 50 years, the rise is probably due to successful marketing campaigns that feed on… Read more »