Besides acute exposure of large dose, there are repeated exposures mainly in which exposure duration is unequal and dose levels heterogeneous, even exposure may continue for a couple of days.
The "mere exposure effect" means that repeated exposure makes people like music, faces — even nonsense syllables — better.
May cause skin dry and chapped with repeated exposure.
Trauma or repeated exposure to uncontrolled stressors can produce an ingrained sense of helplessness.
Mr Morikawa's study, results of which were published last month in the Journal of Neuroscience, found that repeated exposure to ethanol enhances synaptic plasticity in a key area in the brain.
Even if you don't have one now, you could develop one repeated exposure. If you notice these symptoms, tell your doctor.