LDHA and sarcopenia: They also protect against toxic accumulation of reactive aldehydes produced by lipid peroxidation, such as malonaldehyde and 4‐hydroxynonenal, and the aldehyde‐protein adducts, which are especially involved in sarcopenia and the general process of aging.9, 10 These catalytic functions are also responsible for the resistance against some chemotherapeutic agents and participate in the status of cancer stem cells ascribed to some ALDH‐positive cell populations.11, 12, 13, 14, 15, 16, 17