Malaria may stimulate an increase of macrophages.Logical formLearned from2 sentences. Cells may stimulate (b cells).Logical formLearned from2 sentences. Presence of a landfill may be stimulated.Logical formLearned from2 sentences. Nicotine may stimulate a release of dopamine.Logical formLearned from2 sentences. Morphine may stimulate an internalization of some (opioid receptors).Logical formLearned from2 sentences. An (animal study) may stimulate exposure to cocaine.Logical formLearned from2 sentences. Cocaine may stimulate outflow.Logical formLearned from2 sentences. Amphetamines may stimulate locomotor activity by increasing release.Logical formLearned from2 sentences. A hybridoma may be stimulated.Logical formLearned from2 sentences. Cocaine may be stimulated.Logical formLearned from2 sentences. Nicotine may stimulate a (reward system).Logical formLearned from2 sentences. A (research thrust) may stimulate work.Logical formLearned from2 sentences. (Reward systems) may be stimulated by substances.Logical formLearned from2 sentences. An (agonist component) may produce analgesia by stimulatting a receptor.Logical formLearned from2 sentences. Chemicals may reduce pain by stimulatting receptors.Logical formLearned from2 sentences.