The World Health Organization (WHO) has listed dental amalgams as among the products containing mercury which it describes as “one of the 10 groups of chemicals of major public health concern.” WHO describes mercury on its website as a “naturally occurring element that is found in air, water and soil” and is “harmful to humans, especially pregnant women, infants and children.”
Gordon HP, Cordon LD: Reduction in mercury vapour levels in Seattle dental offices. J Dent Res Abstract 1092 57A:347, 1981. Female dentists had a higher rate of spontaneous abortions than a control of female medical personnel or the rest of the population. Peri-natal mortality rate for the female dentists was significantly higher than for the rest of the population. (19.5/1000 compared to 7.5/1000 Connections between oral and systemic health
Nylander et al. 4th Symposium Epidemiology in Occupational Health. Como Italy September 1985. In a study of 9,241 people 3454 were male dentists 1125 female dentists, 4662 female dental nurses. A two-fold increased risk of glioblastomas for the dental personnel compared to the rest of the population.
Ship II, Shapiro IM: Mercury poisoning in dental practice. Compendium Continuing Education 4: 107-110, 1983. 298 dentists. 30% of the high mercury dentists had polyneuropathies. No polyneuropathies were detected in the control group. The high mercury group had mild visuo-graphic dysfunction; they also had more symptom-distress than did the control group. The findings suggest that the use of mercury as a restorative material is a health risk for dentists.
Boyd et al. The American Physiological Society Nov 1991. Mercury from dental “silver” tooth fillings impairs sheep kidney function.
M.J. Vimy, Y. Takahashi, and F.L. Lorscheider. Am.J. Physio. 258 (Regulatory Integrative Comp. Physiol. 27) R939-R945. 1990. Maternal-fetal distribution of mercury (203 Hg) released from dental amalgam fillings. All tissues displayed Hg accumulation. Highest concentrations of Hg from amalgam in the adult occurred in the kidney and liver. In the fetus the highest amalgam concentrations appeared in the liver and pituitary gland. Dental amalgam usage as a tooth restorative material in pregnant women should be reconsidered.
NHMRC (National Health and Research Council – Australia). Endorsed 24 October 2002. Dental Amalgam – filling you in. During pregnancy, placement of new amalgam fillings or removal of old ones is not recommended, because the levels of mercury in the blood tends to rise in these situations. The mercury can cross the placenta and enter the bloodstream of the fetus. Women who are breast feeding should also avoid have amalgam fillings inserted or removed. Amalgam is now generally avoided for filling children’s teeth. Growing children tend to be more sensitive to the effects of exposure to any chemical substance in their environment. People with kidney disease may be more concerned than others to minimize exposure to mercury. If you decide to have amalgam fillings replaced, your exposure to mercury can be reduced by using a rubber shielding device called a “dental dam” and having extra suction during the removal. Dentists can also cut away rather than drill out the amalgam filling, to help reduce exposure to mercury.
As you can see from the graph above. There may be little evidence to support that fluoridated water actually helps prevent tooth decay. Tooth decay rates have fallen globally since 1970 regardless of fluoridated water. Perhaps there are other factors involved.
Menoyo 2005; de la Sota 1997; Rigalli 1995, 1990. Not only have researchers confirmed that spikes in blood fluoride levels increase glucose levels, but they have found that the effect occurs at just 95 ppb – less than 10 times the fluoride level that can enter blood after fluoride-gel treatment, and exceeded on a daily basis by some children using fluoride toothpaste.
Zakrzewska 2002, 2006. Polish researchers reported that low levels of fluoride can damage sperm in ways that could impair male fertility. Links between oral health and systemic health.
Shahed 1986; Whitford 1987 .Researchers funded by the National Institutes of Health (NIH) reported that the toxic effects from short-term spikes in blood fluoride levels are not limited to the kidney. It is conceivable that normal ingestion of F following an APF application could alter several metabolic processes.Potential Risks of Fluoride
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Dr Adelola et al. from the Department of Otolaryngology at Limerick University Hospital in Ireland investigated the effectiveness of the Buteyko technique on nasal symptoms of patients with asthma. Small clinical study of Buteyko Method at Limerick Regional Hospital shows 70% reduction of Rhinitis in Asthma
NIH Study: Buteyko breathing technique improvements in asthma symptoms and reductions in reliever medications. A report by the Agency for Healthcare
Research and Quality, AHRQ, for the United States Institute of Health (NIH) finds Buteyko delivers substantial reductions in symptoms and medication
usage for asthmatics.
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Clinical Review: Sleep apnoea – A survey of breathing retraining
Read the article as a PDF here: Clinical Review Sleep apnoea – A Survey of breathing retraining ANJ October 2012
Asthma misunderstood and misdiagnosed Thoracic society press release March 2007 http://www.scoop.co.nz/stories/GE0703/S00092.htm
Does the World’s Bestselling Asthma Drug Sometimes Kill the Patients it is Supposed to Help?
Are asthma medications and management related to deaths from asthma? Abramson MJ et al and the Victorian Asthma Mortality Study Group AMERICAN
JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE VOL 163 2001
Buteyko Breathing Technique for asthma: an effective intervention
Journal of the New Zealand Medical Association, 12-December-2003, Vol 116 No 1187
Cardiovascular Disease and Health-Care Utilization in Snorers: a Population Survey.
Andrea Dunai, MD, Andras P. Keszei, MD, PhD, Maria S. Kopp, MD,PhD, Colin M. Shapiro, MBBCh, PhD, FRCPC, Istvan Mucsi, MD, PhD, Marta Novak, MD, PhD SLEEP Volume 31, Issue 03, Pages 411-416
1 Salpeter SR, Ormiston TM, Salpeter EE. Meta-analysis: Respiratory tolerance to regular
agonist use in patients with asthma. Ann Intern Med. 2004;140:802–13. http://www.annals.org/cgi/content/full/140/10/802
2 Spitzer WO et al., The use of beta-agonists and the risk of death and near death from asthma. N Engl J Med. 1992 Feb 20;326(8):560-1
3 McHugh, P., Aitcheson, F., Duncan, B. and Houghton, F. Buteyko Breathing Technique for asthma: an effective intervention New Zealand Medical Journal 12 December 2003 Vol. 116 No 1187
4 McHugh, P., Aitcheson, F., Duncan, B. and Houghton, F. Buteyko breathing technique and asthma in children: a case series New Zealand Medical Journal 19 May 2006, Vol. 119 No 1234
5 Bowler, S.D., Green, A. and Mitchell, C.A. Buteyko breathing techniques in asthma: a blinded randomised controlled trial Medical Journal of Australia 1998; 169: 575-578
6 Opat A.J., Cohen M.M., Bailey M.J., Abramson M.J. A clinical trial of the Buteyko Breathing Technique in asthma as taught by a video. J Asthma 2000; 37(7):557-64
7 Cooper, S., Osborne, J., Newton, S., Harrison, V., Thompson Coon, J., Lewis S. and Tattersfield, A. Effect of two breathing exercises (Buteyko and pranayama) in asthma: a randomised controlled trial Thorax 2003; 58:674-679
8 Slader, C.A., Reddel, H.K., Spencer, L.M., Belousova, E.G., Armour, C.L., Bosnic-Anticevich, S.Z., Thien, F.C.K., Jenkins, C.R. Double blind randomised controlled trial of two different breathing techniques in the management of asthma Thorax 2006;61:651-656
9 Cowie, R.L., Conley, D.P., Underwood, M.F., Reader P.G., A randomised controlled trial of the Buteyko technique as an adjunct to conventional management of asthma Respiratory Medicine May 2008 (Vol. 102, Issue 5, Pages 726-732)
Buteyko endorsed by British guideline on the management of asthma
The British Guideline on the Management of Asthma 2008 grants permission for British health professionals to recommend Buteyko, stating that the method "may be considered to help patients control the symptoms of asthma". The guideline also grades clinical research on Buteyko with a ‘B’ classification – indicating that high-quality supporting clinical trials are available.
Thoracic Society & Scottish Intercollegiate Guidelines Network (SIGN). British Guideline on the Management of Asthma. Guideline No. 101. Edinburgh:SIGN;
5 May, 2008. Revised June 2009.
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