Air quality readings on the display (PM 1.0, PM2.5, PM10) and color-coded indicator colorsblue for very good, green for good, orange for moderate, and red for badtake the guesswork out of controlling the appliance
They represent decades of manufacturing optimization, consumer behavior research, and increasingly aggressive public health policy
The US Surgeon General first warned of a link between cigarette smoking and lung cancer in 1964, but it was not until the late 80s and 90s when people began getting seriously sick after years of smoking that attitudes began to change
Some people notice their lung improvement becomes noticeable within the first few months up to one year
This means that about 14% of smokers discontinued using e-cigarettes
For this reason, we pretty much always include a charger and adapter in our daily-carry loadout