If rules are reasonable and explained, most teenagers tend to cooperate.

Now, local teenagers tend to hang out not on the boulevard but along its side streets.

These are things that young teenagers - especially, though not exclusively, boys - tend to have.

Children and teenagers tend to do a lot of things to try to be accepted among friends, also known as peer pressure.

"Traditionally, teenagers tend to be fascinated by morbid topics," she says.

Children and teenagers tend to break rules that seem unjust or that simply do not make sense to them, he said.

Studies suggest that this is generally because teenagers tend to underestimate the seriousness of hazards.

Added to these risk factors, teenagers tend to feel indestructible; they have little thought for their health or safety.

When welfare recipients get jobs, their teenagers tend not to do as well in school.

Otherwise, wary stepchildren and teenagers in general tend to withdraw into their private spaces.