Endocrinology, Toxicology and Drug Testing

ENDOCRINOLOGY

The study of Hormones:

receptors
intracellular signalling pathways they invoke
diseases and conditions

If you are having unusual hormonal conditions the physician for you is a medical endocrinologist. They have background training in different medical fields such as pediatrics, oncology and internal medicine.

*The nervous and endocrine systems often act together to regulate the physiologic processess of the human body and those intimate interactions constitute neuroendocrinology.

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TOXICOLOGY

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The study of the effects of poison in the human body and how to diagnosis and treat poisoning.
These poisons can be chemical or physical agents on living organisms.

Factors affecting toxic effect of a chemical:

Dose
Route of exposure
Fate of the chemical after the organism is exposed
Time course of the exposure

DRUG TESTING

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It is the detection of certain drugs prior of drug use. Drug examination use biological material such as urine, hair, saliva or sweat. Drug screening is use in different occupations that require them and in athletic competitions.