Gray hair linked to immune system activity and viral infection. A new study on mice offers insights into why some people's hair may turn gray in response to a serious illness or chronic stress. Researchers have discovered a connection between the genes that contribute to hair color and the genes that notify our bodies of a pathogenic infection. Source 2n.
I don't have any noticeable graying hair, yet, but I don't mind it at all. My husband has a decent amount in his beard, and I love it! It makes me think of wisdom and experience.
I associate gray hair with life experience. I can't wait for gray hairs! My husband has them sprinkled in his beard and it's so attractive to me!