Magnesium is essential for the immune system, including in the fight against cancer / updates / By marora2018 https://www.sciencedaily.com/releases/2022/01/220119121455.htm#:~:text=01%2F220119121455.htm-,The%20level%20of%20magnesium%20in%20the%20blood%20is%20an%20important,important%20implications%20for%20cancer%20patients.