https://slate.com/technology/2010/08/how-bathroom-posture-affects-your-health.html
Reduce restroom time by more than 50% and reduce risk of various gastrointestinal injuries
Estimated time savings: 365 days x 80 years of life x 1 bowel movement per day x 2 minute time savings = 973 hours saved over a lifetime (40 24-hour days) - This could be a significant underestimate
Time savings: 51 seconds versus 130 seconds, difference ~80 seconds
Product: Squatty potty, makes it much easier to do on a Western style toilet
Clear consensus for optimality, with zero cost and moderate or high benefits