हानिकारक (en. Harmful)

However, not all nail biting is pathological, and the difference between harmful obsession and normal behavior is not always clear.

It is a small and harmful creature.

The most "harmful" cabbage in pancreatitis.

At that time, PM2.5 data was considered too politically sensitive and so the government was keeping it secret, but citizens were becoming aware of its harmful human health effects, and they were demanding greater transparency on the part of the government.

Mostly, they are a meaningless waste of time, though some are psychologically harmful.

Most of these issues are dose-dependent, the most common being elevated blood pressure, especially in those with pre-existing hypertension, and harmful changes in cholesterol levels: some steroids cause an increase in LDL cholesterol and a decrease in HDL cholesterol.

It can be useful, harmful, or useless.