Left-handed vs. Right-handed

There simply were not many left-handers left alive compared to right-handers, and more car accidents occurred among left-handers according to earlier researches.

To determine the reason of why fewer left-handed people are among the elderly population, a study was conducted last year by Diane Halpern and Stanley Coren at San Bernardino.

Researchers studied death certificates of 987 people in two Southern California counties. Relatives were queried by mail about the subjects’ dominant hands.

The results showed that left-handed people represented 10 percent of the U.S. population and left-handers usually died earlier than the right-handers.

Their findings support a 1989 study published in The American Journal of Public Health that found a higher rate of accident-related injuries in left-handed people.

Dr. Halpern and Dr. Coren also speculated that “left-handers might fall victim to underlying neurological or immune-system problems as well.”

An earlier study of baseball players showed that from the time statistics were kept, the average life span of left-handers was, “nine months shorter than that of right-handers.” The proportion of left-handers is “13 percent among people in their 20’s, but only 1 percent among those in their 80’s.”

“People born left-handed were forced to change to their right hands,” Halpern said. “Almost all engineering is geared to the right and there are many more car and other accidents among left-handers because of their environment.”

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