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National News

RESTRICTED -- Men Are Different: Here’s Y

The Y Chromosome is not just what makes males into males. The sex chromosome also influences health in hidden ways, some experts believe, and may even explain why men have shorter life spans. (Alex Eben Meyer/The New York Times) -- NO SALES; FOR EDITORIAL USE ONLY WITH NYT STORY SCI Y CHROMOSOME BY NATALIE ANGIER FOR MAY , 2018. ALL OTHER USE PROHIBITED. --