Galaxy
The graves they went to on average at age 40. I am not sure it helps to compare, I wouldnt under any circumstances wanted to have brought up children in that era.
Improving the sewage system improved health and probably raised life expectancy a bit.
It is notable, though, that Bazalgette's mammoth and much needed works still ended up with London sewage being discharged just a bit further down the Thames and being swept out to sea. Our modern water companies are just following an historical precedent 
Actually, Casdon, I admire the Victorians greatly, for their attempts to improve health, their engineering ability and their incredible architecture.


