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Claim
descriptive
Analysis v3

After hard exercise, zinc levels in runners' blood drop lower than before they started, and this happens even in people who don't exercise much, which might mean their bodies react slowly or lose...

Evidence from Studies

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21

Acute exercise effects on urinary losses and serum concentrations of copper and zinc of moderately trained and untrained men consuming a controlled diet.

Cross-Sectional Study
Human
1995 Mar

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Source Study

Acute exercise effects on urinary losses and serum concentrations of copper and zinc of moderately trained and untrained men consuming a controlled diet.

Score: 21
DOI: 10.1039/AN9952000867

Similar Assertions

When male runners push themselves to exhaustion during intense exercise, their blood levels of zinc and copper go up right away—even when they eat the same foods—showing it's the body's natural reaction to hard workouts.

21
0
89%

After a hard workout, the levels of copper and zinc in the blood go up the same way for both fit and not-so-fit male runners, even though their fitness levels are different.

21
0
85%

When male runners do a short, hard workout, the amount of zinc and copper they lose in their pee doesn't really change much.

21
0
78%