Its better if you hold it in for 5-6 seconds. you'll get about 95% of the THC and other ingredients from your bud. Some studies of shown that if you hold it in longer its not good for your lungs. I hold it in for about 8 though for that final 5%. =)
No!
Don't smoke it it'll kill your braincells
Yes. anything you smoke or inhale can infect your lungs.
smoking marijuana have an effect with me taking Rifampin?
This can be a harmless side-effect to how your body handles the intake of marijuana in your system. There is nothing really wrong with it.
no it will not so smoke on
A person decides to smoke marijuana when they are offered it, have an opportunity to buy and smoke it, or when they have an urge to smoke marijuana.
yes
You can rephrase the question to "Should my unborn fetus smoke marijuana?". Because that is really what you are asking. If you get high the fetus get high. So the answer is no.
Smoking marijuana will have no effect on weather or not your urination stays regulated.
Some studies have shown a lesser effect of cancer when marijuana is smoked with tobacco.
yes, any kind of smoke or smoking can effect your allergies.