You might not be shocked to learn that probiotics help ease constipation (Italy, Amenta et al. 2006). You might be surprised to learn that probiotics are involved with cancer, though. They have been found to increase the production of molecules that fight cancer (Hatakka et al. 2008). According to frequency and dosage, the probiotic Lactobacillus casei has also been demonstrated in Tokyo to lower the incidence of bladder cancer (Ohashi et al. 2002).