Heatwave exposure and sarcopenia progression among middle-aged and older adults: the longitudinal evidence from CHARLS.

ABSTRACT:

Background

With global climate change, heatwaves are intensifying in frequency and duration, adversely affecting human health. How heatwaves (HW) exposure contribute to the decline in muscle strength and sarcopenia progression among middle-aged and older adults remains unclear.

Methods

Utilizing data from the China Health and Retirement Longitudinal Study (CHARLS) from 2011 to 2015, low muscle strength and sarcopenia were defined according to the Asian Working Group for Sarcopenia 2019 consensus. HW exposure were defined based on temperature thresholds and durations, quantified by event and day counts. HW exposure was measured over 12 months prior to sarcopenia assessments at baseline (2011) and follow-up (2015). A difference-in-differences (DiD) approach was applied to exam

SUBMITTER: Wang J 

PROVIDER: S-EPMC12615559 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature