Help me

Assalamuallikum people!
I need some help about a risk on whatever which creats problems in our life in the world, it can be illness or something which harms humans health.
If someone has any idea about this issue, so please reply me soon and I will be thankful of you guyz..
I have to anser some questions like
A) what makes your risk, a risk?
B) when did society recognize your risk, was a risk?
C) how does society deal with your risk?
D) your evaluation of how serious your risk is?

If anyone can answer for these questions::!!