An NTD is a group of communicable diseases that are prevalent in tropical and subtropical conditions. They are neglected because they are not treated easily in these region.
Examples = River blindness
This is causes you to go blin. It also makes farming work really tough.
Example = Elephantiasis
This is a set of worms that live inside your lymph node. e.g. it makes your legs 10 times larger than it should be.