25 May 2017 --- A number of studies have this week underlined a range of health benefits certain probiotics may provide. Researchers from McMaster University found that certain probiotic strains may help relieve symptoms of depression, as well as help gastrointestinal upset, providing further evidence of the microbiota environment in the intestines being in direct communication with the brain, while Ganeden announced the findings of a separate study which sheds light on the added benefits created by combining probiotics.