Sentence 1: Rosenberg also points to one reason to think the HIV-negative gay male may actually live longer on average than the straight Gays may have higher incomes and more education on average than straights--two factors powerfully correlated with longer life spans.

Sentence 2: Rosenberg shows that healthy gay males have longer lifespans and better lives than straight males.

If the first sentence is true, then is the second sentence true?
yes