Secrets of the Y Chromosome
Source — nytimes
It’s 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. In advance of Father’s Day, let’s take a moment to sort out the differences and similarities between “Dad jeans” and “Dad genes.” Dad jeans are articles of sex-specific leisure clothing, long mocked for being comfy, dumpy and elastic-waisted but lately reinvented as a fashion trend, suitable for male bodies of all shapes and ages.