of service connection for certain veterans exposed to per­fluoro­octanoic acid or other per- and polyfluoroalkyl substances (a) In general Chapter 11 of title 38, United States Code, is amended by inserting after section 1116 the following new section: 1116A. Presumption of service connection for certain veterans exposed to per­fluoro­octanoic acid or other per- and poly­fluoro­alkyl substances (a) Presumption of service connection (1) For the purposes of section 1110 of this title, and subject to section 1113 of this title, each disease or illness specified in subsection (b) that becomes manifest in a veteran described in paragraph (2) shall be considered to have been incurred or aggravated in the line of duty in the active military, naval, or air service, notwithstanding that there is no record of evidence of such disease or illness during the period of such service. (2) A veteran described in this paragraph is a veteran who, during active military, naval, or air service, served at a military installation at which individuals were exposed to perfluorooctanoic acid or other per- and polyfluoroalkyl substances, including exposure through a well that provides water for human consumption that is contaminated with such substances. (b) Diseases or illnesses A disease or illness specified in this subsection is any of the following: (1) With respect to exposure to per­fluoro­octanoic acid— (A) diagnosed high cholesterol