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David J. Llewellyn
Researcher at University of Exeter
Publications - 150
Citations - 9570
David J. Llewellyn is an academic researcher from University of Exeter. The author has contributed to research in topics: Dementia & Population. The author has an hindex of 45, co-authored 130 publications receiving 7722 citations. Previous affiliations of David J. Llewellyn include University of Perugia & Royal Devon and Exeter Hospital.
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Journal ArticleDOI
Vitamin D effects on musculoskeletal health, immunity, autoimmunity, cardiovascular disease, cancer, fertility, pregnancy, dementia and mortality—A review of recent evidence☆
Paweł Płudowski,Michael F. Holick,Stefan Pilz,Stefan Pilz,Carol L. Wagner,Bruce W. Hollis,William B. Grant,Yehuda Shoenfeld,Elisabeth Lerchbaum,David J. Llewellyn,Katharina Kienreich,Maya Soni +11 more
TL;DR: Adequate vitamin D supplementation and sensible sunlight exposure to reach optimal vitamin D status are among the front line factors of prophylaxis for the spectrum of disorders.
Journal ArticleDOI
Mediterranean diet, cognitive function, and dementia: a systematic review.
Ilianna Lourida,Maya Soni,Joanna Thompson-Coon,Nitin Purandare,Iain A. Lang,Obioha C Ukoumunne,David J. Llewellyn +6 more
TL;DR: Higher adherence to Mediterranean diet was associated with better cognitive function, lower rates of cognitive decline, and reduced risk of Alzheimer disease in nine out of 12 studies, whereas results for mild cognitive impairment were inconsistent.
Journal ArticleDOI
Vitamin D and Risk of Cognitive Decline in Elderly Persons
David J. Llewellyn,Iain A. Lang,Kenneth M. Langa,Graciela Muniz-Terrera,Caroline L. Phillips,Antonio Cherubini,Luigi Ferrucci,David Melzer +7 more
TL;DR: Low levels of vitamin D were associated with substantial cognitive decline in the elderly population studied over a 6-year period, which raises important new possibilities for treatment and prevention.
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Vitamin D and the risk of dementia and Alzheimer disease
Thomas J. Littlejohns,William Henley,Iain A. Lang,Cédric Annweiler,Olivier Beauchet,Paulo H M Chaves,Linda P. Fried,Bryan Kestenbaum,Lewis H. Kuller,Kenneth M. Langa,Oscar L. Lopez,Katarina Kos,Maya Soni,David J. Llewellyn +13 more
TL;DR: It is confirmed that vitamin D deficiency is associated with a substantially increased risk of all-cause dementia and Alzheimer disease, and adds to the ongoing debate about the role of vitamin D in nonskeletal conditions.
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Frailty, Body Mass Index, and Abdominal Obesity in Older People
TL;DR: The association of frailty with a high waist circumference, even among underweight older people, suggests that truncal obesity may be an additional target for intervention.