{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:43:18Z","timestamp":1787028198580,"version":"build-2736575974"},"reference-count":115,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T00:00:00Z","timestamp":1773878400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Recovery and Resilience Plan","award":["5180519"],"award-info":[{"award-number":["5180519"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Foods"],"abstract":"<jats:p>As populations around the world continue to age, promoting healthy ageing has become a key public health priority. Nutrition plays a vital role in maintaining physical and cognitive function later in life, and omega-3 polyunsaturated fatty acids (PUFA) are essential components of cell membranes and are known for their anti-inflammatory and cardio-protective effects. Chronic inflammation and oxidative stress are major contributors to age-related decline, and omega-3s help mitigate these processes by modulating immune responses and improving endothelial function. This systematic review aims to examine the potential of omega-3 fatty acids to reduce inflammatory markers and improve overall health. Moreover, it aims to present the most effective dietary interventions in dairy cows that increase PUFA content in milk. PubMed, Web of Science, Scopus, and the Cochrane Library databases were searched for relevant articles published up to November 2025. Evidence suggests that older adults who consume higher levels of PUFA tend to have better cardiovascular health, preserved cognitive function, and a lower risk of age-related diseases such as Alzheimer\u2019s and arthritis, and reduce the risk of frailty and disability in later years. Dietary manipulation to enhance PUFA in bovine milk represents a promising strategy for improving human nutrition while potentially benefiting cow health.<\/jats:p>","DOI":"10.3390\/foods15061079","type":"journal-article","created":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T11:50:36Z","timestamp":1773921036000},"page":"1079","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Optimizing Omega-3 Polyunsaturated Fatty Acids for Healthy Ageing: Human Intake Evidence and Dairy Cow Dietary Interventions for Milk Enrichment"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-0139-289X","authenticated-orcid":false,"given":"Maria","family":"Dimopoulou","sequence":"first","affiliation":[{"name":"Department of Agriculture Crop Production and Rural Environment, School of Agriculture Sciences, University of Thessaly, 38446 Volos, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1447-3514","authenticated-orcid":false,"given":"Panagiotis","family":"Madesis","sequence":"additional","affiliation":[{"name":"Department of Agriculture Crop Production and Rural Environment, School of Agriculture Sciences, University of Thessaly, 38446 Volos, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aliki","family":"Dimopoulou","sequence":"additional","affiliation":[{"name":"Department of Psychology, National and Kapodistrian University of Athens, 15784 Athens, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olga","family":"Gortzi","sequence":"additional","affiliation":[{"name":"Department of Agriculture Crop Production and Rural Environment, School of Agriculture Sciences, University of Thessaly, 38446 Volos, Greece"},{"name":"POSS-Driving Innovation in Functional Foods PCC, Sarantaporou 17, 54640 Thessaloniki, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"710","DOI":"10.2471\/BLT.16.184960","article-title":"Valuing older people: Time for a global campaign to combat ageism","volume":"94","author":"Officer","year":"2016","journal-title":"Bull. 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