The heat! When we cook (especially during hot days) it gets especially hot in the kitchen. I think continuously simmering would increase the ambient temperature.
Also many families (including mine) still uses gas stove so the constants gas increases nitrous oxide levels which is harmful for health [0]
Also many families (including mine) still uses gas stove so the constants gas increases nitrous oxide levels which is harmful for health [0]
[0] https://ww2.arb.ca.gov/resources/documents/indoor-air-pollut...