"be harmful for" is a correct and usable phrase in written English.
It means that something has the potential to cause harm or negative effects. Example: Smoking cigarettes can be harmful for your health.
It has also been reported to be harmful for living beings and toxic for cells [19].
Porosity may be harmful for the properties of thin films.
But some game can be harmful for brain.
Playing too much games may be harmful for brain.
Therefore, this solution may be harmful for society.
Overdoing blood sugar control in the ICU might be harmful for several reasons.
"If one institution does badly, and gets a poor reputation, that will be harmful for all of us".
What might appear to be an efficient policy in one dimension can be harmful for others," it said.
It's counterintuitive that widening the franchise can be harmful for democracy, but I think it can be.
Yes, I agree that computer games really improve brain functions But some game can be harmful for brain.
Objective: Stress response caused by endotracheal intubation may be harmful for the coronary or cerebral circulation of high-risk patients.
