They also include birth defects,
serious developmental delays in children, and reduced activity
of the immune system, leading to a number of diseases. Moreover,
there exist several susceptibility factors such as age, nutritional
status and predisposing conditions. Health effects can
be distinguished to acute, chronic not including cancer and
cancerous. Epidemiological and animal model data indicate
that primarily affected systems are the cardiovascular and
the respiratory system. However, the function of several other
organs can be also influenced (Cohen et al., 2005; Huang and
Ghio, 2006; Kunzli and Tager, 2005; Sharma and Agrawal,
2005).