If it is true that...

Some people argued that aging was caused by hormonal deficiency

and

Some hormones decrease with aging, while others increase

Then it must be true that...

Unpleasant consequences of estrogen excess resemble some events of aging

If it is true that...

Knowledge of how to protect against estrogen can be used to protect against aging

Then it must be true that...

Unpleasant consequences of estrogen excess resemble some events of aging