This is the 10747th most frequent Russian word.
вредными
"Harmful."
Here, "вредными" is used to describe the potential harmfulness of habits affecting wellness or fitness—adjectival usage.
Эти привычки могут быть вредными для здоровья.
These habits could be harmful to health.
In this sentence, "вредными" qualifies chemicals as harmful, showcasing its use in attributing properties to substances or objects.
Он избегал вредными химическими веществами в своём саду.
He avoided harmful chemicals in his garden.
"Вредными" is employed to characterize habits as harmful or negative, focusing on actions or behaviors.