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Adverse Health Effects of Plastics
In addition to creating safety problems during production, many chemical
additives that give plastic products desirable performance properties also have
negative environmental and human health effects. These effects include
supression and developmental problems in children.
See the Adverse Health Effects Grid for a list of commonly used plastics and
their known health effects.
Chemical Migration from Plastic Packaging into Contents
People are exposed to these chemicals not only during manufacturing, but also
by using plastic packages, because some chemicals migrate from the plastic
packaging to the foods they contain. Examples of plastics contaminating food
have been reported with most plastic types, including Styrene from polystyrene,
plasticizers from PVC, antioxidants from polyethylene, and Acetaldehyde from
PET.
Among the factors controlling migration are the chemical structure of the
migrants and the nature of the packaged food. In studies cited in Food
Additives and Contaminants, LDPE, HDPE, and polypropylene bottles released
measurable levels of BHT, Chimassorb 81, Irganox PS 800, Irganix 1076, and
Irganox 1010 into their contents of vegetable oil and ethanol. Evidence was
also found that acetaldehyde migrated out of PET and into water.
Recommendations
Find alternatives to plastic products whenever possible. Some specific
suggestions:
containers or plastic wrap
Plastic Common Uses Adverse Health Effects
Polyvinyl
chloride
(#3PVC) Food packaging, plastic wrap, containers for toiletries, cosmetics,
crib bumpers, floor tiles, pacifiers, shower curtains, toys, water pipes,
garden hoses, auto upholstery, inflatable swimming pools Can cause cancer,
birth defects, genetic changes, chronic bronchitis, ulcers, skin diseases,
deafness, vision failure, indigestion, and liver dysfunction
Phthalates
(DEHP,
DINP,
and others) Softened vinyl products manufactured with phthalates include vinyl
clothing, emulsion paint, footwear, printing inks, non-mouthing toys and
children s products, product packaging and food wrap, vinyl flooring, blood
bags and tubing, IV containers and components, surgical gloves, breathing
tubes, general purpose labware, inhalation masks, many other medical devices
Endocrine disruption, linked to asthma, developmental and reporoductive
effects. Medical waste with PVC and pthalates is regularly incinerated causing
public health effects from the relese of dioxins and mercury, including cancer,
birth defects, hormonal changes, declining sperm counts, infertility,
endometriosis, and immune system impairment.
Polycarbonate, with Bisphenol A (#7) Water bottles Scientists have linked very
low doses of bisphenol A exposure to cancers, impaired immune function, early
onset of puberty, obesity, diabetes, and hyperactivity, among other problems
(Environment California)
Polystyrene Many food containers for meats, fish, cheeses, yogurt, foam and
clear clamshell containers, foam and rigid plates, clear bakery containers,
packaging "peanuts", foam packaging, audio cassette housings, CD cases,
disposable cutlery, building insulation, flotation devices, ice buckets, wall
tile, paints, serving trays, throw-away hot drink cups, toys Can irritate eyes,
nose and throat and can cause dizziness and unconsciousness. Migrates into food
and stores in body fat. Elevated rates of lymphatic and hematopoietic cancers
for workers.
Polyethelyne
(#1 PET) Water and soda bottles, carpet fiber, chewing gum, coffee stirrers,
drinking glasses, food containers and wrappers, heat-sealed plastic packaging,
kitchenware, plastic bags, squeeze bottles, toys Suspected human carcinogen
Polyester Bedding, clothing, disposable diapers, food packaging, tampons,
upholstery Can cause eye and respiratory-tract irritation and acute skin rashes
Urea-
formaldehyde Particle board, plywood, building insulation, fabric finishes
Formaldehyde is a suspected carcinogen and has been shown to cause birth
defects and genetic changes. Inhaling formaldehyde can cause cough, swelling of
the throat, watery eyes, breathing problems, headaches, rashes, tiredness
Polyurethane
Foam Cushions, mattresses, pillows Bronchitis, coughing, skin and eye problems.
Can release toluene diisocyanate which can produce severe lung problems
Acrylic Clothing, blankets, carpets made from acrylic fibers, adhesives,
contact lenses, dentures, floor waxes, food preparation equipment, disposable
diapers, sanitary napkins, paints Can cause breathing difficulties, vomiting,
diarrhea, nausea, weakness, headache and fatigue
Tetrafluoro-
ethelyne Non-stick coating on cookware, clothes irons, ironing board covers,
plumbing and tools Can irritate eyes, nose and throat and can cause breathing
difficulties
Sources:
Environmental Chemicals," 2001.