Makakuha ng mabilis at malinaw na mga sagot sa IDNStudy.com. Makakuha ng mabilis at eksaktong sagot sa iyong mga tanong mula sa aming mga eksperto na laging handang tumulong.

Bad effects of second hand smoke

Sagot :

Answer:

Secondhand smoke is the combination of smoke from the burning end of a cigarette and the smoke breathed out by smokers. Secondhand smoke contains more than 7,000 chemicals. Hundreds are toxic and about 70 can cause cancer.

There is no risk-free level of exposure to secondhand smoke.

Answer:

second hand smoke causes heart disease