dangerous mold and bacteria. the concept of dampness, moisture, dust, and respiratory problems. microscope fungi on food

mold fungus bacteria toxic biology macro closeup dampness mycelium rotten science harmful yellow unhealthy allergy old illness green food white dangerous rotting sporangium spores molded microscopic micro aflatoxins danger moldy top fungi damaged dirty organic background waste bad spoiled texture mould inedible group product piece uneatable unhygienic round orange