"Not to mention a certain herb I smell coming out of your room."

On the other hand, they did learn the use of certain medicinal herbs, and how to cook Roma style.

There are certain herbs that do not interact well.

Those who hate certain herbs and other aromatics make chemical associations.

I wasn't going to say anything, but I have certain herbs with me.

Supposed to be certain herbs picked at the full of the moon.

He says that certain herbs can also help support normal body temperatures.

Marital aid can also apply to certain herbs or drugs that have such an effect.

There are also certain herbs that can help, in some cases.

He needs certain herbs in order to maintain his strength.