When bitter taste receptors found in the noses of supertasters were exposed to a bacterial chemical, they started fighting it off, while the receptors of others with normal taste perceptions did not detect the chemical's presence.
Parents of young players are increasingly anxious about concussions. Many continue to participate — albeit more cautiously. Others worry about whether the youth leagues will eventually halt altogether. In Texas, the risk of injury is putting families at odds with a sport many consider a religion.
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