Answer:
Group of drugs and substances e,g birth pills which affects/ disrupts normal functioning of hormones in the body are are called Endocrine distruptors. They may be natural or synthetic ,They exhibit their effects by causing over stimulation or inadequate response of the body cells and organs to their effects. They may also interfere with the receptors peculiar to a particular hormone sensitivity,or they may cause over or under secretion of hormones.
Examples are Synthetic Oestrogen as birth pills
and polychlorinated biphenyls.
Collectively theses substances can cause malformation during development as hormones regulates and coordinate most growth and development stages.
they may alter the sequence of events of reproductions which may disrupts fertility.
Some may produce carcinogenic effects from mutations of cells.
some may affects the normal functioning of the nervous systems leading to neurological disorders.
They may affect immune response by interfering with certain proteins.
<u> why they have not been completely banned by the United States government</u>.
This is largely due to deficiencies in the legislation in the USA., to select which distruptors to cancel based on non-voluntary cancellation, rather than threshold safety as observed in EU.
Explanation:
