Question

The rate at which the U.S. population has developed dementia has greatly increased over the nation's history. What is the most significant reason? decline in water quality /rise in obesity /lengthening lifespan /exposure to artificial hormones

Answer 1

The rate at which the U.S. population has developed dementia has greatly increased over the nation's history. What is the most significant reason?

A) decline in water quality

B) rise in obesity

C) lengthening lifespan<Your Answer

D) exposure to artificial hormones

Answer 2

I believe it would be lengthening lifespan.