Why are a lot of young people passing away?

A lot of young people in certain states including my area are passing away more often. These last three years, I’ve known probably around 7-12 people at ages 18-23 (possibly younger or a bit older) passing away. What has made this start to happen so much?
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This involves deaths that having nothing to do with covid or COVID vaccine. Some of these deaths are before any of that.
Why are a lot of young people passing away?
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