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In the 1970s, experts from Helen Keller Intl spearheaded research on vitamin A that has helped save millions of lives and shaped the organization’s work for decades.

Dr. Al Sommer, now Professor and Dean Emeritus of the Johns Hopkins Bloomberg School of Public Health, led one of the studies that resulted in a groundbreaking discovery of vitamin A’s role in children’s health.

Watch our video to hear Al discuss how this research came about and the profound impact it had on global health and Helen Keller.

A young Cameroonian boy receives a vitamin A supplement.

Help support healthier futures for children around the world.