Are wood mites a threat to humans?

I have found lil bugs or mites i'm not sure wont they are,,, I found them in my cereal cupboard which there was dry foods such as salt spices sugar teabags ect, once noticing them I look in all the packs to find 100's and I thrown everything away a cleaned the cupboard throughout,,, as I went to check the cupboard the next day I found some more I would say around 20 to 30 I would describe them like a nit-head lise looking thing but they are a white / beige colour, can u help me