Association between irregular social rhythm and all-cause mortality, death by illness, suicide and accidental death: a 19-year community-based cohort study in Japan
Megumi Hazumi, Zui C Narita, Naoaki Kuroda, Mayumi Kataoka, Hiroaki Hori, Yoshinori Cho, Mariko Hanafusa, Rieko Kanehara, Taiki Yamaji, Motoki Iwasaki, Manami Inoue, Shoichiro Tsugane, Norie Sawada · 2026
Read Association between irregular social rhythm and all-cause mortality, death by illness, suicide and accidental death: a 19-year community-based cohort study in Japan by Megumi Hazumi, Zui C Narita, Naoaki Kuroda, Mayumi Kataoka, Hiroaki Hori, Yoshinori Cho, Mariko Hanafusa, Rieko Kanehara, Taiki Yamaji, Motoki Iwasaki, Manami Inoue, Shoichiro Tsugane, Norie Sawada (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13422810.txt.
Description
Megumi Hazumi leads a thirteen-author team following a Japanese community cohort for nineteen years, in a 2026 study, to test whether an irregular daily rhythm predicts earlier death. Social rhythm — the regularity of sleep, meals and activity — had been suspected of mattering, yet long-term evidence on specific causes of death was scarce.
Nearly one hundred thousand adults aged forty-five to seventy-four rated their rhythm at entry. Those calling it irregular died at consistently higher rates at every checkpoint, with a nineteen-year risk about a tenth higher in relative terms. Death by illness and accidental death both rose; suicide risk was elevated only at some horizons. National death records supplied the outcomes. The authors argue rhythm regularity belongs in preventive health thinking.
Catalog record
| CREATOR | Megumi Hazumi, Zui C Narita, Naoaki Kuroda, Mayumi Kataoka, Hiroaki Hori, Yoshinori Cho, Mariko Hanafusa, Rieko Kanehara, Taiki Yamaji, Motoki Iwasaki, Manami Inoue, Shoichiro Tsugane, Norie Sawada |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 40 KB |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |