counteract

/ˌkaʊntərˈækt/

coun·ter·act

BrE /ˌkaʊntərˈækt/

NAmE /ˌkaʊntərˈækt/

~ sth

to do sth to reduce or prevent the bad or harmful effects of sth

SYN counter

These exercises aim to counteract the effects of stress and tension.