plastic acts like estrogen in the body it lowers testosterone lowers reproduction, water bottles leach plastic into the water
https://besynchro.com/blogs/blog/12492461-xenoestrogens-plastics-dirty-secret
https://www.sciencedaily.com/releases/2009/03/090326100714.htm
http://www.neonnettle.com/features/1381-toxic-microplastics-found-in-leading-bottled-water-brands