Health, 06.12.2019 17:31, anthonybowie99
Astudy in the 1980s found a link between drinking coffee and increased risk of pancreatic cancer. this study failed to consider the fact that many heavy coffee drinkers are also smokers. smoking, and not coffee, may have been what cause the increased risk of pancreatic cancer. in this example, smoking
a.
random variation
b.
a confounding variable
c.
a placebo
d.
an epidemic curve
Answers: 3
Health, 22.06.2019 16:00, emilystartk
What is a quick method use only to only partially cooked item
Answers: 1
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