Yes it still harmful because it is air pollution to your lungs. My kid's pediatrician used to tell me that I should change my clothes after smoking a cigarette and before I carry my baby.
In Scrum, a product backlog item (PBI, backlog item, or item) is a unit of work small enough to be completed by a team in one Sprint iteration. Backlog items are decomposed into one or more tasks. See also backlog effort estimation unit.
protein-bound iodine test (PBI). Blood test to measure the concentration of thyroxine (T4) circulating in the bloodstream. The iodine becomes bound to theprotein in the blood and can be measured. Useful in extablishing thyroid function.