The discovery of fire gave early man asthma, bronchitis, and cancer.
Animal husbandry and an agrarian lifestyle gave us most of our infectious diseases and more virolent strains of diseases we already had.
The industrial revolution and the resulting urbanization led to constant, widespread outbreaks of cholera, smallpox, typhus, tuberculosis (the list goes on).
The advent of mechanization - the "machine age"- has helped give us a sedentary lifestyle which has led to heart disease, obesity, high blood pressure, osteoporosis and other health conditions.
The overall rise in the quality of life in the first world in the 20th century gave us the opportunity to indulge and over-indulge in all kinds of unhealthy activities that has led to a host of degenerative diseases.
Every new development in transportation has given us a new way to wind up wrapped around a tree or splattered against the side of a mountain.
So now we're in an age where just about everything we use is either made out of plastic, comes in plastic, or both.
Progress is never free.
(And In my opinion it's very seldom progress)
The micro plastics in our bodies doesn't bother me nearly as much as this does:
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The Great Pacific Garbage Patch