A Canadian woman and a pediatric cardiologist from Georgia won the men’s and women’s contests at Key West’s annual Conch Shell Blowing Contest, using different techniques to impress Saturday’s judges.

Dr. Saurabh Pahuja: Blowing a conch shell is not just a symbol; it requires physical effort. It uses the respiratory muscles, especially the diaphragm, intercostal muscles, and muscles in the upper ...

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