Let folks with more experience give you their opinion rather than mine but it certainly is suspicous if you know you had them and now here are a bunch of webs or things that certainly look like webs to me.

No, no smoking any mold or fungus stuff.....spider mites....that would scare me but I honestly have no idea how "medically dangerous" it would be to smoke them....what if they got loose and started multiplying in your lungs.... (j/k)