The phrase "killer cells" refers to a special type of cells in our body that can find and destroy harmful things like viruses, bacteria, and even cancer cells. These cells help to keep us healthy and protect us from getting sick. Full definition
Japanese researchers have measured the activity of natural killer cells in the body before and after people experience forest bathing. (adrenalfatiguesolution.com)
A double - blind placebo study found that regular use increases natural killer cell activity and early inflammatory response. (wellnessmama.com)
But when the natural killer cell production was stopped, both groups of mice had the same - sized tumors. (theorganicwhey.com)