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The cynic in me says that tobacco ads have been so curtailed globally that the tobacco industry must have a role in it, says Becky Freeman, associate professor of public health at the University of Sydney

A purifier with a True HEPA H13 filter removes the particles in cigarette smoke but needs an activated carbon filter to remove the smell and gases

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Hew told CNA earlier this year that her team has since salvaged and upcycled 1.2 million pairs of chopsticks, saving them from the incinerator

Look for detergents labeled as odor-eliminating or with odor-removing technology. These detergents often contain enzymes and other odor-fighting ingredients that can be very effective at breaking down and removing the smell of weed