CHEM 181 Lecture Notes - Lecture 2: Blind Experiment, Statistical Power, Antioxidant

• School: McGill University
• Department: Chemistry
• Course: CHEM 181
• Professor: David Harpp

Document Summary

520 000 people in 10 european countries suggests that increased intake of fruits + vegetables has a minimal effect on cancer rates: correlation vs. causation: observational studies can only show correlations, not causations. Meta analysis: grouping the results from multiple studies together to increase the statistical power: compare studies of the same type (you cannot combine observational studies with interventional studies) Christmas 1914: on christmas eve 1914, the soldiers stopped fighting. Vit d: many people in canada are deficient in vit d, important to take vit d supplements with fatty food since it is fat soluble. There is no evidence to suggest that taking a large dose of a specific vitamin offers any advantage over a well balanced diet (may even be detrimental) Dietary guidelines for americans 2015-2020: peta launched a lawsuit against the new usda guidelines for being deceptive.