Shooters exposed to lead at work over long periods of time, like military personnel in firing ranges, risk a range of medical complaints.

People who shoot risk unhealthy levels of lead exposure

Millions of people who shoot, for work or leisure, risk lead poisoning, according to new research.
We don’t actually know whether probiotics have a measurable impact on digestive health. brownpau/Flickr

We know too little about probiotics to proclaim their virtues

The terms probiotics and prebiotics are appearing on more items in supermarket aisles all the time. Both words, their placement and the products they adorn, imply they’re good for you, that more of these…

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