We can rest for a couple of days before going back on drugs.

He's not on drugs and he does all right in school.

We had no reason to think he was on drugs.

How many lives have been lost in the war on drugs.

She was very big on drugs and always took them in public.

He might have been on drugs, for all I know.

The nation spent more than $40 billion on such drugs last year.

If a mother is on drugs, then I want to place her in the right program.

She was back on drugs and her children were not going to school.

He spent some of the money on drugs as well.