Over consumption of fats and oils because at a yooung age the health system reduces to the nutrition its provided and if a child can't stop eating sweets and cholestrol food that can cause obesity
Hope this helped
B
Although D describes some time "Type" of medicines, B would better fit because the question asks how can medicine be described.
-Medical Student (College Level)
Memory loss is not part of physical change by aging
What do you mean by that? It does or it does not?