Compared to the past, I think the people are divided between those who care about their health and those who don't.
ご質問ありがとうございます。
"Compared to the past,"＝「過去と比べて、」
"I think the people are divided"＝「人々は分かれていると私は思う。」
"between those who care about their health and those who don't."＝「自分の健康を気にする人たちと気にしない人たちに。」
ご参考になると幸いです。
アメリカ合衆国 
