not at all
By smoking weed. Obv.
yes
No, a man can have a baby with or without smoking weed.
yes, unfortionatly it can.
I believe weed will only make you "dumb" if you buy into that whole a-typical "Stoner" stereotype. Smoking weed occasionally won't make you "dumb", but when you are high, you do feel less responsive, and may lose your train of thought. But to say "does weed make you dumb?" No, it doesn't.
It gets your heart going, its harder to get addicted to than cigarettes, and it can make you skinnier and lose weight.
No!
Smoking weed does not make you skip a period. The THC chemical has no affect on the reproductive system.
It stays in the fat and hair cells, so it would affect the hair.
Smoking weed, smoking weed, and smoking weed
Your life will worsen. You will have no job, no money... unless you deal. Your family will begin to hate you and you will lose all enjoyment in many things other than smoking weed.