You could say something along the lines of:
"Hey, Friend, what's so good about weed? Why are you always smoking it?"
If he's smoking it for medical purposes, then just drop it, but if it's illegal and he's doing it to "look cool", then I would further ask questions about it.
His reflexes. He reacted to the sound quickly, but his motor cortex didn't fire quickly enough to cause his muscles to move in time.
The answer is osteoporosis -
osteoporosis is a disease where bones lose density and become more brittle and prone to breaking
The most asked question to social physiology is probably “how can violent conflicts be prevented?”
Answer:
Explanation:
Homeostasis is the state of balance your body needs to be in. Examples of Homeostasis: Sweating in order to cool down your body temperature and keep it at a normal temperature, the pancreas releasing insulin to break down sugars when your blood sugar level is too high, and shivering in order to warm your body up.
Hope this helps!