Because the present generation of humans has experienced a level of exposure to chemicals that is without precedent, there is still much to learn about the effects, so scientists remain cautious.
Kuna praegune inimpõlv on keemilistele ainetele enneolematul määral eksponeeritud, pole nende toime kohta veel kaugeltki kõik teada, mistõttu teadlased on oma seisukohtades ettevaatlikud.