Carbon monoxide, a substance found in tobacco smoke, is also found in

Carbon monoxide is also a primary toxin found in many types of vehicle/machine exhausts.
Hope that helped =)

Hello! i believe that it is okay, but you should limit on how much you go in a jacuzzi, hot tub, sauna etc. the rise in temperature may effect the development of you unborn baby and could cause some birth defects most likely in the first 3 months or 12 weeks of pregnancy. the recommended amount of time to be in a jacuzzi while pregnant would be 10  minutes or less.i hope this !