Compare the rate and causes of death of people aged 18-35 to people age 70+. How many 18 year olds die of dementia, heart disease, Parkinson's, even the flu, co

Compare the rate and causes of death of people aged 18-35 to people age 70+. How many 18 year olds die of dementia, heart disease, Parkinson's, even the flu, compared to those aged 70 and up? By curing or even just slowing down aging, you would drastically reduce the initial chance of contracting a large amount of age-related diseases. That's not getting into the non-morbid negative effects of aging: reduced mobility, slower cognition, memory problems, etc. Concerning overpopulation, in all major Western countries, we currently have fertility rates below replacement - if it weren't for immigration, our population would be declining. With immortality,