detrimental

detrimental    [de-truh-Men-tl]

adjective.  (a formal way of saying) harmful

"New England Patriot quarterback Tom Brady was suspended Monday for four regular-season games.  The patriots was also fined for $1 million and forfeited two future draft picks. The punishment was for what the league termed 'conduct detrimental to the integrity of the NFL.'"
"Studies show that using electronic devices before going to bed can have a detrimental impact on your sleep."
"Smoking is detrimental to your health."

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