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A comment on Consumption of a dark roast coffee blend reduces DNA damage in humans. Parent comment

Re:Consumption of a dark roast coffee blend reduces DNA dama... by pergadad on Wednesday January 16, 2019 @04:54AM (#18919518)
As you have access to the paper - do they take blood only once and compare the groups or do they they take 2+ times and compare the change? With such a small sample the first option would be very dubious.
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