stimulant

Then there is the nicotine: a stimulant that for the addict also has the added effect of calming the nerves.

What's interesting about the study's finding is that it dodges the trap that snares much of the research on stimulant medication.

Because cigarettes can be either a stimulant or a relaxant, the game has two modes.

For a fuller effect, try a cup of coffee on the side, as caffeine is a traditional and effective stimulant.

This is bad news, since cortisol also acts as an appetite stimulant.

Niopo is a powerful stimulant, a small portion of it producing violent sneezing in persons unaccustomed to its use.

As, during the whole pepper-harvest, they feed wholly on this stimulant, they become exceedingly irritable.

Taken internally, camphor is a nerve stimulant, a diaphoretic and a feeble antipyretic.

But to Charity the heat was a stimulant: it enveloped the whole world in the same glow that burned at her heart.

The stick, or whip, is needed rather to indicate the precise movement desired, than as a stimulant or means of punishment.