Cadmium concentrations in the kidney induce renal dysfunction and contribute to hypertension due to sodium retention, glucose intolerance, dyslipidemia and zinc deficiency.
I was surprised to find out that
the cadmium concentrations in many cocoa powders tested by ConsumerLab were 10 to 20 times higher than those in cadmium - rich foods such as sunflower seeds and peanuts.
Higher antioxidant and lower
cadmium concentrations and lower incidence of pesticide residues in organically grown crops: A systematic literature review and meta - analyses.
The concern is that if
cadmium concentrations rise to unsafe levels in meat and dairy products, human health and New Zealand's agricultural economy could be jeopardized.
On average, smokers have 4 - 5 times higher blood
cadmium concentrations and 2 - 3 times higher kidney
cadmium concentrations than non-smokers.
No significant effect on blood
cadmium concentrations could be detected in children exposed to environmental tobacco smoke.
Cadmium concentration has increased in the biosphere through mining, smelting, agricultural and industrial activities (Prozialeck and Edwards, 2012).
Then the team restricted evidence to just three measurements that can be obtained from shell samples in sediment cores:
cadmium concentration and carbon and oxygen isotope ratios in the calcium carbonate shells.
The FDA has determined that
the cadmium concentration in bottled drinking water should not exceed 0.005 ppm.
Not exact matches
This is an open access paper «Higher antioxidant
concentrations and less
cadmium and pesticide residues in organically - grown crops: a systematic literature review and meta - analyses.»
A team of researchers from several Portuguese centres and the Autonomous University of Barcelona (UAB) has analysed the presence of mercury,
cadmium and lead in the blood of the 121 Griffon vultures (Gyps fulvus) in Portugal and Catalonia, and compared the
concentration between populations of wild Griffon vultures and the individuals that were admitted, in a weak state — due to malnutrition — and wounded, into rehabilitation centres.
The iPhone did get a clean bill of health from Greenpeace in several areas: no
cadmium (a carcinogen) or mercury (a toxin known to cause nerve and organ damage) was detected, and lead and chromium (toxic if ingested or inhaled) were detected in a small proportion of samples and at relatively low
concentrations.
«We detected the frequent presence of hazardous elements, such as bromine,
cadmium, mercury and lead, in very high
concentrations in some cases,» says Dr. Andrew Turner, co-author of the study, based at the University of Plymouth, UK.
A team from the University of Zagreb found
concentrations of
cadmium two hundred times higher than background levels around a munitions dump near Ojutin.
«We also observed that E. verrucosus slowed down its metabolism even at low
concentrations of
cadmium.
The plasma
concentrations of apoproteins B - 100 and E, the two ligands for the LDL receptor, declined by more than 90 percent after
cadmium treatment, but the
concentration of another apoprotein, A-I, was unaffected.
They found that soil pH, iron
concentrations and total
cadmium levels were excellent predictors of how much
cadmium is biologically available for plants.
A study by the National Swedish Institute of Environmental Medicine and Department of Environmental Hygiene concluded that smokers have higher
concentration of
cadmium in their blood than non-smokers.
The researchers» analysis found organic grains and produce to have higher
concentrations of antioxidants, lower levels of
cadmium and nitrogen compounds and fewer pesticide residues.
In the largest review to date, involving hundreds of studies, not only did organic foods have more antioxidant phytonutrients, but lower
concentrations of
cadmium.
The EPA has determined that exposure to
cadmium in drinking water at
concentrations of 0.04 ppm for up to 10 days is not expected to cause any adverse effects in a child.
In testing, the researchers detected tiny
concentrations of
cadmium at quantities far below accepted safe levels.
The
concentration of
cadmium in the rice harvested from the test plots was reduced by 45 percent in the first year of the experiment and by 62 percent in the second year.