The airways of all people constrict when exposed to certain irritants like pollen, pollutants or some drugs.
Therefore, no drug can be "addictive," but an individual can be at risk for addiction when exposed to certain drugs.
"Modulator pheromones have shown us, for example, when women are exposed to certain male underarm compounds, they become less tense, more relaxed," he said.
In the last several years, scientists have learned that when some animals are exposed to certain toxins, a Parkinson's-like disorder results.
And despite years of abstinence, former addicts may experience intense cravings when they are exposed to certain cues like watching drug use by a movie character.
And it is hard to befriend the old since their tenure of life is short, and who will wish to be exposed to certain grief and loss?
Instead, the infecting virus lies dormant within the bacterium's chromosome until the bacterium is exposed to certain stimuli, such as ultraviolet light.
As Mr. Drury and Mr. Dayan delicately but hauntingly illustrate in this hourlong show, it is a psychological state engendered all too easily when people are exposed to certain kinds of stress.
"We're exposed to certain technologies and, at some level, I hope we're rejoicing in them and articulating the language of our visual experience by bringing it into art," he said.
When this population of cells is exposed to certain triggers, they dump their huge stores of histamine, and in rare cases heparin, into the bloodstream, causing anaphylactic shock and blood that cannot clot.
"We also get people who aren't normally exposed to certain antiques to look at them by posting, in the new listings, 18th-century antiques next to 20th-century" examples.
