From what I've read that's right. Kids don't die on nearly the same scale, likewise mothers giving birth.
Nutrition has gotten better, which helps immune system strength.
We know what causes a lot of diseases and can protect against their spread. Both reactively in terms of illnesses people get and in terms of prevention such as vaccines and warnings about smoking.
Even then there are records of famous ancient people like Egyptian kings who lived to what we'd still consider a ripe old age now.
Nutrition has gotten better, which helps immune system strength.
We know what causes a lot of diseases and can protect against their spread. Both reactively in terms of illnesses people get and in terms of prevention such as vaccines and warnings about smoking.
Even then there are records of famous ancient people like Egyptian kings who lived to what we'd still consider a ripe old age now.