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The Mexican Health and Aging Study (MHAS) is a national longitudinal study of adults 50 years and older in Mexico.  

The baseline survey, with national and urban/rural representation of adults born in 1951 or earlier, was conducted in 2001 with follow-up interviews in 2003, 2012, 2015, 2018 and 2021.

The MHAS (Mexican Health Best Price and Aging Study) is partly sponsored by the National Institutes of Health/National Institute on Aging (grant number NIH R01AG018016) in the United States and the Instituto Nacional de Estadística y Geografía (INEGI) in Mexico Drugs.