Understanding what a ‘control’ is can help you decide for yourself how insightful new studies are.
Articles on Observational studies
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Visiting galleries might enrich your life, but the evidence that it slows your ageing is less certain than recent headlines suggest.
The science linking obesity to dementia is complicated - here’s why
Recent research found eating within an eight-hour window increased risk of death from heart disease. But it’s complicated.
New research claiming that people do not need to reduce their consumption of red and processed meat says more about the conduct and evaluation of research than it does about beef.
Top contributors
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Lecturer Human Biosciences (Nutrition and Dietetics), RMIT University
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Senior Research Fellow and Alzheimer's Research UK David Carr Fellow, UCL
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Professor of Health Sciences, Simon Fraser University
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Lecturer in Human Nutrition, RMIT University
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George Saden Visiting Associate Professor, Yale University; University of Leeds
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Assistant Research Professor of Health Policy and Administration, Penn State