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LUBBOCK, Texas — A slice of cool, fresh watermelon is a juicy way to top off a Fourth of July cookout and one that researchers say has effects similar to Viagra — but don’t necessarily expect it to keep the fireworks all night long.
Watermelons contain an ingredient called citrulline that can trigger production of a compound that helps relax the body’s blood vessels, similar to what happens when a man takes Viagra, said scientists in Texas.
Todd Wehner, who studies watermelon breeding at North Carolina State University, said anyone taking Viagra shouldn’t expect the same result from watermelon.



