"The program also has had the secondary effect of involving parents in their children's education from the very beginning."

But that was a secondary effect, and it is of no Importance.

The world has not yet been informed of those secondary effects.

Some of the herbs I use do have secondary effects.

We can no longer afford to let such secondary social and cultural effects just "happen."

It's just not a physical weapon, except in its secondary effects.

They all survived, though secondary effects made themselves shown after a time.

However, such speed and power do not come without some minor secondary effects.

The secondary effects are rather difficult to see if you don't know exactly what to look for.

No one knew what the more subtle, secondary effects on the food chain might be.