Whether the use of heroin in current 3 h years, n influences at a genetic level...

[Jul]

Whether the use of heroin in current 3 h years, on budujushchego the child influences at a genetic level,
And what should be the period without narcotics at mum for a birth more or less healthy the child?

[XXX]

About heroin I do not know, and to smoke recommend to throw not less, than for 1 year, I think - that not less.