It may have the following health benefits:

Inhibit tumour development. A study in 1987 found that stearic acid can inhibit tumour development in rats. (7)
Benefits breast cancer. A 2010 research showed that dietary stearate may be helpful in preventing or treating breast cancer. (8)
Decrease Cardiovascular Risks. A study in 2018 said that C16:0 increased cardiovascular and cancer risk while C18:0 (stearic acid) can decrease both. (9)

http://www.chinafooding.com/Stearic_Acid