Alkaline water, marketed for its high pH and purported health benefits like cancer prevention, has become a booming industry. While it can temporarily neutralize stomach acid and hydrates like regular water, claims of altering blood pH or preventing cancer are unsubstantiated. Excessive alkalinity can lead to health issues, highlighting the importance of maintaining the body's natural acid-base balance.source https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/can-alkaline-water-prevent-or-cure-cancertop-oncologist-explains/articleshow/123346309.cms