Effect of a 2-year diet intervention with walnuts on cognitive decline. The Walnuts And Healthy Aging (WAHA) study: a randomized controlled trial

Aleix Sala‐Vila, Cinta Valls‐Pedret, Sujatha Rajaram, Nina Coll‐Padrós, Montserrat Cofán, Mercè Serra‐Mir, Ana Pérez-Heras, Irene Roth, Tania M. Freitas-Simoes, Mónica Doménech, Carlos Calvo, Anna López-Illamola, Edward Bitok, Natalie K Buxton, Lynnley Huey, Adam Arechiga, Keiji Oda, Grace J. Lee, Dolores Corella, Lídia Vaqué‐Alcázar, Roser Sala‐Llonch, David Bartrés‐Faz, Joan Sabaté, Emilio Ros