The harm from cigarette smoking is one of the most severe problem of public health, it is the most serious but could be prevented risk factor to people health.
Pregnant women are already advised not to empty cat litter trays, as the parasite can be fatal to unborn babies, and now it seems the health risks may extend to other people.
In the past, health experts warned us that the day would come in which it would become very difficult to provide medical care for even common problems such as lung infection or severe sour throat.
Results: the viscous resistance of COPD patients was higher than that of the healthy subjects and their peripheral elastic resistance (X5) was lower significantly than that of the healthy subjects.
Lessons are extremely practical and include work on farming, carpentry, health and running a home, as well as lessons on the basic skills of reading, writing and arithmetic.