Zebrafish exposed to zinc oxide nanoparticles for 4 to 96 hours showed changes in liver SOD, MDA and catalase that point to increased oxidative stress, and exposure lasting up to 30 days produced structural damage to the liver.
Section archive
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Chemical
Chemical hazards: fluoride, pesticides, BPA and other contaminants.
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Chemical
Food Additive Titanium Dioxide Toxic to Blood Cells
Mahidol University researchers exposed human peripheral blood mononuclear cells to 26.4 nm titanium dioxide at 25 micrograms per milliliter or more for 24 hours; the particles triggered reactive oxygen species and the cells began to die.
Chemical
Aspartame boosts appetite, weight gain
In a 42-day trial at Cairo University, weanling male hamsters given water with aspartame below the FDA's acceptable daily intake ate more and gained more weight than controls. The author reported liver and brain tissue changes and urged regulators to revisit the ADI.
Chemical
Common flame retardants linked to thyroid diseases in women
A Harvard Chan School study using 2003-2004 NHANES blood samples found women with high PBDE flame retardant levels more likely to have thyroid disease, with higher risk in postmenopausal women and less effect in men. Some PBDEs have been banned since those samples were drawn.
Chemical
Two Big Victories & A Major Press Release
Newport, Oregon voters rejected fluoridation 64% to 36%, and Albuquerque's Water Utility Authority voted 4-2 to cut fluoridation funding from its 2017 budget. Newport stopped fluoridating in 2005 over worker safety; Albuquerque suspended the practice in 2011.
Chemical
Downright Dangerous - newsletter 051216 from Organic Consumers Association
OCA's newsletter contrasts traditional food preservation with modern ultra-processing, noting close to 5,000 additives are allowed in food and 10,000 counting packaging, most untested. An alert tracks Senate talks on a bill to preempt Vermont's labeling law.
Chemical
Inorganic arsenic may increase prostate cancer risk
An ecologic study of Illinois counties found prostate cancer incidence up to 10% higher where drinking water arsenic is high, with a significant linear dose-response. The authors used state EPA water data and cancer registry records from 2007 to 2011.
Chemical
Antibiotics Use by Livestock Producers is Not Improving
Martha Rosenberg asks Consumers Union scientist Michael Hansen how FDA's 2013 voluntary guidance is working out. Hansen says drug companies dropped growth promotion from labels, but livestock antibiotics are still routinely given for disease prevention.
Chemical
BREAKING: Urgent Action: Don't Let EPA Re-Up Monsanto's Roundup
The Organic Consumers Association urges readers to petition the EPA before it closes its once-every-15-year glyphosate review, after the agency posted and then pulled a cancer committee report concluding glyphosate is “not likely” carcinogenic to humans.
Chemical
Tell the EPA: Ban Monsanto’s Cancer-Causing Roundup Herbicide
The Organic Consumers Association asks readers to petition the EPA to ban glyphosate, citing the WHO cancer panel's March 20, 2015 review concluding it probably causes cancer in humans. The EPA is reviewing the herbicide; Monsanto has attacked the report.
Chemical
Rice-eating babies have high arsenic in urine
Infants eating rice cereal or rice snacks had urinary arsenic up to 9.53 micrograms per litre, against 2.85 in those eating no rice products, a JAMA Pediatrics study found. Rice snacks tested as high as 568 ppb; the FDA has proposed a 100 ppb limit.
Chemical
Glyphosate found in some breakfast foods - new study
The Alliance for Natural Health USA tested 12 breakfast foods and 24 ingredients and detected glyphosate in ten, led by instant oatmeal at 1,327 ppb and whole wheat bagels at 492 ppb. Organic cage-free eggs at 169 ppb exceeded the FDA's 50 ppb tolerance for eggs.
Chemical
A personal invitation from Ronnie Cummins
Ronnie Cummins invites readers to the Food Revolution Summit, running April 30 to May 8, where John Robbins interviews 25 experts. Cummins cites independent lab tests finding glyphosate in 10 of 24 breakfast foods, and speaks on May 6 with Vandana Shiva and Gene Bauer.
Chemical
Dirty Dozen: Fruit/vegetables with highest amounts of pesticides
The Environmental Working Group's updated 2016 shoppers' guide ranks strawberries, apples, nectarines, peaches and celery as carrying the highest pesticide levels, followed by grapes, cherries, spinach, tomatoes, sweet bell peppers, cherry tomatoes and cucumbers.
Chemical
Carrageenan, Inflammatory Agent/Carcinogen? Report Exposes Food Industry Cover Up
The Cornucopia Institute's report argues that industry data, posted years ago by the carrageenan trade group Marinalg and later removed, show all food-grade carrageenan carries the carcinogenic contaminant poligeenan. The USDA's organic board was set to debate the additive on April 25.
Chemical
2006 Shopper's Guide to Pesticides in Produce
EWG's 2016 Shopper's Guide to Pesticides in Produce puts strawberries atop its Dirty Dozen list for the first time, displacing apples after five years. The group advises buying organic for listed items and offers a Clean Fifteen list of conventional produce least likely to carry residues.
Chemical
Tell Kroger & Campbell's: It's time to can BPA!
A Breast Cancer Fund report found BPA in 67% of nearly 200 food cans sampled, including every Campbell's can and 62% of Kroger's. The group asks readers to press both companies to replace the chemical, which it links to cancer, infertility and diabetes.
Chemical
Zinc oxide in vitamins, foods, sunscreens: Is it safe?
Zinc oxide nanoparticles turn up in supplements, processed foods and sunscreens. In an Indian study, mice given them lost body weight, turned passive and survived less; higher doses caused severe DNA damage in blood and bone marrow and inflamed the liver, lungs and kidneys.
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