How about if you were a working class child, just before they started in a mine or a textile mill? Was it good for them?

Infant deaths decreased for a while (and NOT because of the industrial revolution):

> These patterns are better explained by changes in breastfeeding practices and the prevalence or virulence of particular pathogens than by changes in sanitary conditions or poverty[1]

then rose:

>Mortality at ages 1-4 years demonstrated a more complex pattern, falling between 1750 and 1830 before rising abruptly in the mid-nineteenth century.

[1] Davenport, Romola J. (2021). "Mortality, migration and epidemiological change in English cities, 1600–1870." International Journal of Paleopathology, 34, 37–49. PMC7611108.