Thuoc lao is a type of tobacco that is popular in some parts of Southeast Asia, especially in Vietnam. People who use thuoc lao usually smoke it by using a special bamboo pipe called a "dau bang".
The tobacco used in thuoc lao has a different texture than regular tobacco, like the type that is found in cigarettes. It is usually rough and uneven and has a very strong flavor. People who use thuoc lao often mix it with other herbs or plants to create a unique taste.
When people smoke thuoc lao, it produces a lot of smoke and can be very harsh on the throat and lungs. This is because the tobacco is not filtered, like it is in a cigarette, and the smoke is not cooled down by passing through a filter. Because of this, smoking thuoc lao can be very dangerous and can cause health problems like lung cancer or chronic obstructive pulmonary disease (COPD).
In some cultures, smoking thuoc lao is seen as a traditional ritual or social activity. People may gather together and share a pipe, passing it around as a sign of friendship or community. However, it is important to remember that smoking of any kind can be harmful to your health and wellbeing.