NO
Breathing in alkali may not be harmful to a person. However, one should avoid breathing any type of alkali in high volumes.
it can be helpful or harmful
No, it is not harmful.
lack of oxygen would be a harmful effect.
yes
Salt can be harmful for the heart if the daily intake is greater than 2,5-5 g.
cos salt is harmful and it blocks up your ataries
no
it can displace oxygen which stops you breathing
As with many things salt can be harmful in excessive amounts but it is also essential to life too.
There is no question that there are poisonous substances in all forms of smoke, and breathing it can be harmful.