Upregulation of reward mesolimbic activity and immune response to vaccination: a randomized controlled trial. - Lubianiker N; Koren T; Djerasi M; Sirotkin M; Singer N; Jalon I; Lerner A; Sar-El R; Sharon H; Shahar M; Azulay-Debby H; Rolls A; et al. (Nature medicine, 2026)