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Women with a personal or family history of cancer should discuss this risk explicitly with a provider before considering use

Melatonin is popular for its sleep-regulating effects, and short-term use appears safe, but further research is needed to evaluate its broader impacts, including cardiovascular health, before it can be considered a wonder pill for NS workers 192

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Using quantitative mass spectrometry over 1, 3, and 10 h of starvation revealed that, aside from Arg or Leu, the intracellular levels of other AAs remained largely stablewith the exception of proline, which increased in both conditions (Fig 1D)

doi:10.1002/pca.765