Updated 06/19/2025 80% of the gases we breathe end up in the nervous system, muscles, and fats produce neurotransmitters, and 80% of the gases we… Read More »Muscles.

Updated 06/25/2025 In this video, I show you some of my gray hair. The hair cells that form the white streak in the transparent video… Read More »Gray hair or white hair, melanin and melanocytes.