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While natural strontium (which is mostly the isotope strontium-88) is stable, the synthetic strontium-90 is radioactive and is one of the most dangerous components of nuclear fallout, as strontium is absorbed by the body in a similar manner to calcium. Natural stable strontium, on the other hand, is not hazardous to health.
[2] [4] Stable bone seekers can also be harmful: excessive strontium absorption has been linked with increased levels of rickets. [ 5 ] [ 6 ] The salt strontium ranelate , however, is a bone seeker which is sometimes used to strengthen bones as a treatment for osteoporosis . [ 7 ]
Naturally occurring strontium is nonradioactive and nontoxic at levels normally found in the environment, but 90 Sr is a radiation hazard. [4] 90 Sr undergoes β − decay with a half-life of 28.79 years and a decay energy of 0.546 MeV distributed to an electron, an antineutrino, and the yttrium isotope 90 Y, which in turn undergoes β − decay with a half-life of 64 hours and a decay energy ...
Many metals, particularly heavy metals are toxic, but some are essential, and some, such as bismuth, have a low toxicity. Metals in an oxidation state abnormal to the body may also become toxic: chromium(III) is an essential trace element, but chromium(VI) is a carcinogen. Only soluble metal-containing compounds are toxic.
In general, the safety and effectiveness of alternative medicines have not been scientifically proven [1] and remain largely unknown. [2] Beyond adverse effects from the herb itself, "adulteration, inappropriate formulation , or lack of understanding of plant and drug interactions have led to adverse reactions that are sometimes life ...
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But perhaps one of the most buzzed-about such ingredients is biotin, a vitamin your body naturally produces, but that you can also find in hair growth supplements, shampoos for hair loss and ...
The strontium unit is a unit used to measure the amount of radioactivity from strontium-90, a radionuclide found in nuclear fallout, in a subject's body. Since the human body absorbs strontium as if it were calcium , incorporating it into the skeleton , its presence is very common.