| abstract |
The invention relates to the technical field of research on the biological effects of tobacco exposure, and discloses a method for testing the harm reduction effect of natural herbal extracts on long-term smoking hazards. Symptom observation, measurement of body weight, measurement of feed consumption, clinical pathological examination, histopathological examination and result evaluation, the present invention provides an evaluation direction for reducing the harm of cigarettes to human health, and provides a new method for reducing the harm of cigarettes. method. |