Assertion: heavy metal | /r/HasProperty | major problem
Facets:
value: in the taxonomy of popular music
type: OTHER
value: for any biological organism
type: OTHER
Source sentences:
text: Heavy metals can be a major problem for any biological organism as they may be reactive with a number of chemicals essential to biological processes.
text: This is because heavy metals are a major source of ill health, producing side effects both in the short and long term and sometimes irreversible damage to the nervous system, kidneys and other systems and organs despite treatment.
text: The New York Times critic Jon Pareles writes, "In the taxonomy of popular music, heavy metal is a major subspecies of hard-rock—the breed with less syncopation, less blues, more showmanship and more brute force.