As with any dust-like material, flour can harm your lungs if inhaled
No.
it can be snorted, smoked, or shot up. You can even shoot up Vicodin and Hydrocodone.
It is usually snorted or smoked.
It is usually smoked, snorted, or injected.
You can do all three with methamphetamine.
Most frequently it is either snorted or smoked.
Cocaine is a powerfully addictive central nervous system stimulant that is snorted, injected, or smoked.
It is typically snorted or smoked when it is in freebase or crack form. It can be taken orally and intravenously.
Cocaine that is smoked is known as crack cocaine, which are hard crystallised rocks, whereas cocaine produced to be snorted is a white, brown or off-white powder.
Cocaine refers to the drug in its powder form, while crack is cocaine that has been processed into a rock crystal, typically smoked. Crack is a more potent and fast-acting form of cocaine, leading to a quicker and more intense high. Additionally, crack is generally cheaper and more addictive than powder cocaine.
Yes Ritalin when prescribed is always taken orally however when abused it can be smoked, snorted or injected.
Three days, same as snorted or smoked cocaine.