3 ms·
>Twenty rats in each exposure group were exposed to the smoke seven hours a day for 21 days. The method of exposure was ‘‘head only’’, meaning that the rats wer
by ZoeZoeBee 9y ago
>Twenty rats in each exposure group were exposed to the smoke seven hours a day for 21 days. The method of exposure was ‘‘head only’’, meaning that the rats were placed head first in snug fitting plastic tubes with a screened head portion that projected into a duct through which the smoky air flowed.
Try the same with car exhaust and see how it goes
- acidreflux 9y agoAh yes, the ol’ “what about” argument. “Second-band smoke is dangerous.” “OH YEAH? WHAT ABOUT CAR EXHAUST, HUH!?” Yes, that’s bad too, but we were talking about cigarette smoke.
- pc86 9y agoActually, we're talking about standing next to someone for 5 minutes, once or thrice a day, outside, while they smoke a cigarette. @amai was talking about blowing smoke into your face in an enclosed area for 7 hours a day.