Negative Impacts on Hair Growth?

Do the following NEGATIVELY impact hair growth?

1. alcohol use – In excess, yes.
2. marijuana use – Possibly.
3. tobacco use – Possibly.
4. high salt diet – I would doubt it.
5. diet high in preservatives – I don’t know.
6. high fat diets, red meat – I doubt it, but there are unsubstantiated claims that blame red meat.
7. use of dietary supplements like multivitamins – No.
8. over intake of certain vitamins – Yes.