True because your body need the minerals from the different food you eat to stay and the lactic acid you get when you work out.
Hair is not a living thing cause it doesn't carry out things such as respiration, reproduction, and growth<span />
It could take a few weeks to a months depending on your doctors.
What the nurses put on newborn's eyes is not Vaseline but erythromycin. Erythromycin is a antibiotic that the nurses put on the baby's eyes to keep the babies from getting eye infections.