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[5] According to the Threshold Limit Value Time Weighted Average, humans tolerate 25 mL of CO/m 3 for 8 hours/day for 40 hour work week

Consistent with the current findings, physical activity has been found to reduce cortisol levels [28-30], improve cognitive function [9] and modulate psychological stress [31]

These simple methods can be used effectively to deliver better healthcare and facilitate the quit smoking efforts of Sri Lankan smokers.

*Please do not smoke while pregnant or nursing.

*Service fees apply

Shi and colleagues (2016) also conducted a prospective longitudinal population-based study to examine the relationship between e-cigarette use and smoking cessation, but found a different result