1)Impacts of industries on environment
2)Impacts of acid rain on plants/animals
3)should medical cannabis be legal?
4)How do steroids affect our bodies?
7)Are x-rays the best form of diagnostic test for doctor to use?
8)should we rely on pesticides for agriculture?
10)should vaccines be made mandatory?
11)how does gravity affects our daily life?
12)how does temperature affects our environment?
13)effects of eletronic devices on human health
14)does high stress increases you chances of having a stroke?
not very sure if its right or not
But hope it's helpful!