The population-based association between low vitamin D status and increased cancer risk can be inconsistent but is now generally accepted. These relationships link low serum 25 hydroxyvitamin D levels to cancer while cell-based studies show…
Nezávisle od seba ho v roku 1772 objavili Daniel Rutherford a Henry Cavendish a nazvali ho jedovatým vzduchom. Antoine Lavoisier zistil, že tento plyn je zložkou vzduchu a pretože sa v ňom živé organizmy dusili, pomenoval ho azote (z…