It is usually diagnosed in children, and affects boys more often than girls.

Autism affects boys 3 - 4 times more often than girls.

It is one of the few mental health problems to affect boys and girls in equal rates.

The programmes do not affect boys and need to combat their sexism.

These factors were not listed as affecting boys as much.

It mainly affects boys, for reasons that are not understood.

In children, it affects boys somewhat more often than girls.

And tics are far more likely to affect boys than girls.

This condition usually affects boys between 4 and 10 years old.

The disease typically affects boys, but it can also affect girls.