In a study presented at the European Respiratory Society Congress in Barcelona, Greek researchers examining lung samples from 100 patients found that those diagnosed with lung cancer carried measurably higher concentrations of microplastics than those without the disease — a correlation that does not yet establish cause, but deepens humanity's reckoning with what it means to breathe in a world saturated with synthetic materials. The particles most commonly found, polypropylene and polyethylene, are the same plastics woven into the fabric of everyday life. Science stands at the threshold of a q