A growing body of evidence finds that being just a little dehydrated is linked to a range of subtle effects — from mood changes to muddled thinking.
"We find that when people are mildly dehydrated they really don't do as well on tasks that require complex processing or on tasks that require a lot of their attention," says Mindy Millard-Stafford, director of the Exercise Physiology Laboratory at Georgia Institute of Technology.
And it turns out, it doesn’t take long to become a bit dehydrated when you’re exercising (and sweating) outside in the summer heat.
NPR’s Allison Aubrey reports on the recent science of dehydration.
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Each year, more than 100,000 Americans are shot. And increasingly they are being shot with bullets designed to be especially destructive to bone and tissue.
The energy of a bullet is determined by its mass and speed, and its wounding potential hinges on its ability to transfer its energy to a target; even rounds that are similar in size, or look similar, can cause dramatically different damage.
In this video, we examine four of the most common bullets in America. We explain why the destruction caused by one round in an AR-15-style weapon can be so much greater than a typical bullet used in target practice or hunting.
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Alarms go off so frequently in emergency rooms that doctors barely notice — until a colleague is wheeled in on a gurney, clinging to life. All of a sudden, that alarm becomes a deafening wake-up call.
An estimated 300 to 400 doctors kill themselves each year, which is a rate more than double that of general population.
For many in the profession, that day-in-day-out stress can lead to crippling depression. At TeamHealth, one of the country's largest emergency room staffing companies, based in Knoxville, Tenn., a recent death sparked soul-searching and culture change.
Read more about it on Shots.
Your Shots editor,
Carmel Wroth
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