Environ Sci Pollut Res 25:1045610470 Nascimento TA, Dutra FVA, Pires BC et al (2016) Preparation and characterization of composite based on polyaniline, polypyrrole and cigarette filters: adsorption studies and kinetic of phenylbutazone from aqueous medium
An animated version of this graphic can be found on Vimeo: 707371530 (QR code on right) Looking at this graphic in the light of day, it is clear what the Hands were after: a quicker alternation of character and mystery

smoking cessation reduces CVD risk.7 However, estimates of the time course of CVD risk reduction among former smokers following cessation have been inconsistent relative to persistent smokers (2-10 years),8-12 and never smokers (2-20 years).8-12 Some clinical CVD risk calculators do not distinguish risk between never smokers and former smokers.13 The Atherosclerotic CVD (ASCVD) Risk Estimator Plus allows clinicians to identify former smokers but considers their CVD risk identical to never smokers after 5 years.14 Uncertainty about the time course of CVD risk reduction following smoking cessation could underestimate CVD risk among former smokers, a group increasing as US smoking prevalence declines.15 Cardiovascular disease risk estimates among former smokers could be improved by frequent, long-term smoking exposure assessment (including status, intensity, abstinence periods, and relapse), objective and time-updated assessment of other CVD risk factors, and continuous CVD incidence surveillance

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With the automated lighting, measuring and recording of results, the workload on the operator is significant decreased so allowing more simultaneous tests to be performed by the same operator