https://www.health.harvard.edu/diet-and-weight-loss/calories-burned-in-30-minutes-of-leisure-and-routine-activities
https://www.medicalnewstoday.com/articles/319731.php
https://www.calculators.org/health/weight-loss.php?fbclid=IwAR1Swaggw4INuPA-Ttak1HGyq-zAf83FWBQFLCf9l5Lb5BSe7VRI1t4jdyU