This is the 4584th most frequent Catalan word.
perjudiquen
"Perjudiquen" means "they harm" or "they damage" in English.
Here, 'perjudiquen' is the third person plural form of the verb 'perjudicar' (to harm), indicating an action performed by 'tàctiques tòxiques' affecting 'la salut'.
Els hàbits tòxics sovint perjudiquen la salut.
Toxic habits often harm health.
In this sentence, 'perjudiquen' refers to actions in the subjunctive present that cause harm to 'el medi ambient'.
Cal evitar les accions que perjudiquen el medi ambient.
It is necessary to avoid actions that harm the environment.
The word 'perjudiquen' functions here as a negative assertion of harm not being caused to 'els treballadors' by 'els canvis recents en la política'.