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We can measure these longer-lived radicals using an instrument called an electron paramagnetic resonance spectrometer or EPR, which is the only method that you can measure free radicals with directly

Hand luggage restrictions can baffle passengers and even catch them out if theyre not careful

with the highest increase of 12.96-16.47% levied on machine-rolled cigarettes and the lowest increase of 0-12% on hand-rolled cigarettes

High uncertainty in intrinsic value combined with a small margin of safety equals high risk

The chemicals that do the most damage fall into a few well-studied categories: Diacetyl Diacetyl is a buttery flavoring compound linked to bronchiolitis obliterans commonly called "popcorn lung" after it was first identified in factory workers at a microwave popcorn plant who inhaled large concentrations of the chemical

In the final model, we included a spline on age, random slope on age by study and the bias covariate encoding exposure definition (that is, current, former and ever smokers), which was picked by the variable selection algorithm 28,29