Daily variation of particulate air pollution and poor cardiac autonomic control in the elderly

Article Abstract:

There may be a mechanistic link between particulate matter air pollution and death from cardiovascular disease in the elderly. High pollution days appear to affect low heart rate variability and autonomic control, and this increases elderly health risk.

Aged, Elderly, Research, Cardiovascular diseases, Causes of, Air pollution, Nervous system, Autonomic, Autonomic nervous system

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Nitrogen pollution: an assessment of its threat to amphibian survival

Article Abstract:

Research on the toxic effects of nitrates on amphibians is discussed. Topics include the use of nitrogen fertilizer, nitrate concentration in waterways, and solutions to nitrogen pollution.

Water, Nitrogen (Chemical element), Water chemistry, Water quality, Nitrogen

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Effects of Endocrine-disrupting Contaminants on Amphibian Oogenesis: Methoxychlor Inhibits Progesterone-induced Maturation of Xenopus Laevis Oocytes in Vitro

Article Abstract:

The authors examine amphibians high susceptibly to man-made pollutants. Topics include waterborne contaminates, endocrine systems, and declining animal populations.

Evaluation, Pollution, Cancer, Cancer endocrinology, Maturation (Psychology)

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