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.
An online guide to the use of NCBI resources. Titles of selected chapters that refer to human genome resources are shown below. The Single Nucleotide Polymorphism Database (dbSNP) of Nucleotide Sequence Variation.