Styrene
It accumulates in fat of our bodies and builds up.
One of the major side effects is it causes depression.
Styrene is primarily a synthetic chemical, made from Benzene.
Affects:
"Short-term:
EPA has found styrene to potentially cause the following health effects when people are exposed to it at levels above the MCL for relatively short periods of time: nervous system effects such as depression, loss of concentration, weakness, fatigue and nausea.
Long-term:
Styrene has the potential to cause the following effects from a lifetime exposure at levels above the MCL: liver and nerve tissue damage; cancer."
According to Agency for Toxic Substances and Disease Registry (ATSDR).

* NIOSH Criteria

NTP Styrofoam

* Agency for Toxic Substances and Disease Registry

OSHA

* EPA-TTN

EPA-sd.pdf

Microwave

APC Microwave

NRDT (Kids Health)

NIOSH

chemfact/styre-fs.pdf

Styrene Fact Sheet EPA

styrene

* Adverse Health Effects of Plastics

Consumers' Research Magazine, Dec 1993

REASONS WHY POLYSTYRENE FOAM IS BAD FOR THE ENVIRONMENT AND HUMAN HEALTH

Recycling