Record-breaking heat waves are pummeling the United States and the world, causing many to wonder how much of this a body can take and still survive. The limit is somewhere between 104 and 122 degrees Fahrenheit if you’re sitting perfectly still, according to a small study conducted in the United Kingdom. Researchers say they are…  read on >  read on >

Older American adults who live in warmer regions are more likely to have serious vision impairment than those who live in cooler places, new research finds. Living with average temperatures of 60 degrees Fahrenheit or above — think South Florida, for example — created much higher odds of blindness or trouble seeing even with glasses,…  read on >  read on >

Heat illness can be deadly, so it’s essential to recognize the warning signs and know what to do as the summer season gets into gear. “Heat illness tends to happen when the body is unable to regulate its temperature due to overexertion or extended periods of time in high temperatures,” said Dr. Maria Carmenza Mejia,…  read on >  read on >

Just like their humans, dogs get cranky when temperatures and air pollution levels surge. Heat and air pollution have previously been linked to human aggression. Now, researchers say it also appears that there are more dog bites on hot, polluted days. More research is needed to confirm these findings, according to study author Tanujit Dey,…  read on >  read on >

A bout of traveler’s diarrhea can really put a damper on your vacation. Here, experts break down what traveler’s diarrhea is, including its causes, symptoms and treatment, so you can get back to enjoying your trip as quickly as possible. What is traveler’s diarrhea? Put simply, traveler’s diarrhea is frequent, loose, watery stools that occur…  read on >  read on >

Extreme heat can be dangerous, but you can stay cool and safe this summer if you take the right precautions. The American Academy of Orthopaedic Surgeons (AAOS) offers some tips for doing so. “No matter your age, it is critical to be able to recognize the signs of heat-related illness,” said Dr. Jocelyn Ross Wittstein,…  read on >  read on >