There is also a weird, robust mortality relationship where book readers live longer than periodical readers "regardless of gender, health, wealth, or education" [1]. In those studies, the threshold was 30 minutes of book reading a day.
replyWhile this is just a rule of thumb, I consider moderate exercise, reading, and socializing to be roughly equivalent in positive health benefits. I try to get a little bit of each every day, and then try to have longer sessions of each once or twice a week.
replyTen thousand books in an 80-year lifetime would mean finishing one book every three days. That's aggressive, but entirely achievable.
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