In the early 20th century, poliovirus struck fear in the hearts of many parents as wave after wave of infection paralyzed or even lead to the deaths of thousands of children each year. In 1955, following a University of Michigan-led clinical trial involving nearly 2 million children, Jonas Salk, Thomas Francis, Jr., and their colleagues announced the development...
Tag: <span>worry</span>
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Why we are hard-wired to worry, and what we can do to calm down
by James Carmody, The Conversation A new year brings both hopes and anxieties. We want things to be better for ourselves and the people we love, but worry that they won’t be, and imagine some of the things that might stand in the way. More broadly, we might worry about who’s going to win the...