 [ Symptoms ] my mom is 56 and has frequent headaches nausea dizziness and a constant dull pain in the back of her neck what is it  she is diabetic type 2   takes medicine has high blood pressure which she takes medicine for she just went to the dr and she said there was nothing wrong with her she has had a constant headache for a week now along with the other symptoms [ Disease ] most helpful answer yes second hand marijuana could definitely affect a baby as a matter of fact any second hand smoke can cause adverse health problems but marijuana would most likely result in some immediate effects now whether the change in the child is behavior was a direct result of marijuana exposure may be difficult to prove unless cannabis shows up in the child is drug screen dad should never smoke anything around a baby and should not be smoking in the house third hand smoke smoke residuals that stick to the clothing carpets or body have proven to be hazardous as well he should not be smoking period but if he does he needs to do so outside    away from the baby and others    and he should consider changing his clothes and taking a shower afterwards of course this would not likely happen smoking cannabis around a baby is a very serious parental issue and should be dealt with before any future visitations face to face or legally