Answer:
Emphysema.
Explanation:
It's a chronic lung condition in which the alveoli might be destroyed, narrowed, or collapsed among other injuries to it.
Answer:
They cant really do anything because what they don't know is that some people cant help how heavy they are just like some people cant help how small they are. Some people where just born to be their size because it could be heredity it could be also something wrong with there mind it could be more mental then you think.
Explanation:
Cancer would definitely need to be focussed on, air pollution is a known cause of cancer
A. Inconsistently collected data
