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)
Twelve patients were enrolled in the study and were divided into four separate groups, with each receiving different dose levels of cord blood - derived natural killer cells. (sciencedaily.com)