Studied by 7 peoplePrecautionary principle
take action now to reduce suspected consequences, rather than wait for scientific results to show conclusive effects
Risk analysis
risk assessment, comparative risk analysis, and risk management
Risk Assessment
use of statistics to estimate harm from a hazard
Risk Management
decisions whether and how to reduce hazards – and at what cost
Infectious diseases
bacteria, viruses, and parasites that invade the body
Nontransmissible disease
the cause is not from the passage between living organisms
Epidemic
outbreak of infectious disease
Pandemic
global outbreak of infectious disease
HIV and hepatitis B virus
transmitted by unsafe sex; sharing needles
Avian flu
transmitted to humans from animals, especially from birds
Ecological medicine
studies the infectious disease connections between animals and humans
Carcinogens
certain viruses, some types of radiation, and chemicals that cause cancer
Mutagens
chemicals or forms of radiation that cause or increase genetic mutations
Teratogens
chemicals that harm or cause birth defects – genetic changes passed on to the next generation
Neurotoxins
substances that harm the nervous system
Endocrine system
hormones released through a complex network of glands
Receptors
hormones have a molecular shape and can attach to cell walls
Thyroid disrupters
cause growth, weight, brain, and behavioral disorders
Toxicity
a measure of the ability of a substance to cause injury, illness, or death
Solubility
water-soluble toxins get into water supplies, as well as the aqueous solutions that surround our body cells
Persistence
the chemical’s ability to resist being broken down into other substances
A dose-response curve
a plot that shows the lethal dose of the chemical
Epidemiological studies
Compares the health of people exposed to a particular chemical with a control group
Pollution prevention
do not use or release chemicals into the environment that we know or suspect can cause harm
Precautionary principle
take action now to reduce suspected consequences, rather than wait for scientific results to show conclusive effects
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