Humic substances (HS), a highly transformed part of non-living natural organic matter
(NOM), comprise up to 70% of the soil organic matter (SOM), 50–80% of dissolved organic …

Exposure to ambient air pollution has an adverse influence on human health. There is
increasing evidence that oxidative potential (OP), the capacity of airborne pollutants to …

The elevated concentration of arsenic (As) in the groundwaters of many countries worldwide
has received much attention during recent decades. This article presents an overview of the …

Introduction. It has been recognized that environmental pollution can affect the quality of
health of the human population. Heavy metals are among the group of highly emitted …

Selenium is usually known as the 'double-edged sword element'for its dual toxic and
beneficial character to health. Since the pioneer works by Schwarz and Foltz on the …

Selenium is an essential trace element that has raised interest because of its antioxidant
and anticancer properties. The beneficial or toxic effect of Se is not only dose-dependent …

Military activities drastically affect soil properties mainly via physical/chemical disturbances
during military training and warfare. The present paper aims to review (1) physical/chemical …

Pollution is a major threat to the sustainability of the ecosystem. The rapid increase in
environmental pollution is a current problem of great concern, affecting the livelihood of land …

Selenium (Se) is a naturally occurring metalloid element which occurs nearly in all
environments. Se is considered as a finite and non-renewable resource on the Earth. The …

Natural clays have been used to heal skin infections since the earliest recorded history.
Recently, our attention was drawn to a clinical use of French green clay (rich in Fe‐smectite) …