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Especially in times of limited physical activity opportunities, such as during a pandemic with restrictions in daily life, alternative physical activity options should be made more attractive so that teachers can be active despite additional workloads

Typical cut-off levels for cotinine detection are: Urine: 200 ng/mL Saliva: 1014 ng/mL Blood: 10 ng/mL However, labs may adjust thresholds depending on the population and purpose (e.g., workplace, clinical, or insurance testing)