@holisticali: When did you find your first gray hair, and did you pull it out? Let me know below 👇 Sources: https://doi.org/10.4103/0974-7753.58550 https://doi.org/10.1126/science.1099593 https://doi.org/10.1038/ncomms10815 https://doi.org/10.4103/ijd.IJD_221_17 https://doi.org/10.4103/2229-5178.110586 https://doi.org/10.4103/ijt.ijt_39_18 https://doi.org/10.5021/ad.2016.28.6.775 https://doi.org/10.1016/s0190-9622(87)70119-4 https://doi.org/10.7554/eLife.67437 This is for educational purposes only.