Asbestos particles range from 0.7 to 90 microns, making HEPA filters effective at this task. ... HEPA filters capture asbestos in much the same way it captures all other particles. In short, the construction of the filter enables HEPA to trap particles while letting clean air pass through.
Both asbestos and smoking, separately, can cause lung cancer, but together the effect is worse. ... One study found that people who both smoke and are exposed t... more