and in general does it also affects the health of human beings?
Yes, chronic cobalt ingestion has caused serious health problems at doses far less than the lethal dose.
Cobalt
However, chronic cobalt ingestion has caused serious health problems at doses far less than the lethal dose. In 1966, the addition of cobalt compounds to stabilize beer foam in Canada led to a peculiar form of toxin-induced cardiomyopathy, which came to be known as "beer drinker's cardiomyopathy".
where is cobalt located on the periodic table UNANSWERABLE is it a metal? It is a chemical element with the symbol Co and atomic number 27 how is it extracted? Like nickel, cobalt is found in the Earth's crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal what role it plays as a biological agent? It is essential to the metabolism of all animals and how it affects the animal? In the early 20th century, cattle suffered from what was termed "bush sickness", it  was discovered that the volcanic soils lacked the cobalt salts essential for the cattle food chain
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Cobalt [SEP] Health issues
In 1966, the addition of cobalt compounds to stabilize beer foam in Canada led to a peculiar form of toxin-induced cardiomyopathy, which came to be known as "beer drinker's cardiomyopathy". Furthermore, cobalt metal is suspected of causing cancer (i.e., possibly carcinogenic, IARC Group 2B) as per the International Agency for Research on Cancer (IARC) Monographs. [http://publications.iarc.fr/_publications/media/download/2705/29aacee6b89ff816188dcd990b61a16ad6486eec.pdf [PDF]]