Are you one of those people who can tell when a storm is coming based because your knees ache? Well, you may think you are. But a new study of more than 1.5 million seniors finds no relationship between rainfall and doctor visits for pain.
The idea that our bodies can react at all sorts of weather-related phenomena—including changes in temperature, pressure and rainfall—is not a new one. Hippocrates himself actually pointed out this idea 2400 years ago.
If you talk to people, millions and millions of people probably believe that things like rainfall influence symptoms of joint pain and stiffness(僵硬). But if you look at the studies, there’s actually been surprisingly little evidence to suggest that is true. Most of the studies have been quite small. And we were interested in thinking about whether we could come to this question in a “big data” sort of way.
According to a collection of more than 11 million visits that older Americans made to their primary care physicians, there is no difference in the proportion(比例) of visits to a doctor that involved a complaint of joint pain or back pain. They saw no “rain effect” even when it poured for seven days straight.
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