Social pressures, environmental

There are differences in vulnerability to addiction in general, and there is growing evidence that this difference is particularly pronounced in psychostimulant abuse (e.g., Brady and Randall 1999 Brecht et al. 2004). In human subjects, although the dissimilar influence of social and environmental pressures on males and females cannot be overlooked, biological factors are also evident and suggest similarities to the differences observed in animal models of addiction. 

Achievement of satisfactory safety in Voice Communication has the highest priority over commercial, environmental, operational or social pressures. 

Safety priority. Commit the organisation to ensuring that safety is given the highest priority when considering commercial, operational, environmental or social pressures. 

Experiences of this type are the basis of the DPSIR ( driving forces - pressure -state - impact - response ) approach (Fig. 1), which has been introduced in environmental policy as a link between ecological problems and economic and social responses [43]. 

The other major class consists of environmental factors. Among these are ambient atmosphere conditions of temperature, pressure, and humidity, as well as composition of the atmosphere, including the presence of atmospheric pollutants, such as ozone or carbon monoxide. Light and noise and the patterns in which they occur are important. Social and housing (caging) conditions may also influence response of subjects to a toxicant. 

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