Transcript
Speaker: In this video, I will go over the big five heavy metals. So these are some of the most prevalent in our environment. So we'll briefly look at mercury, aluminum, arsenic, lead and cadmium. So the, before I start, I'll just tell you that the agency for toxic substances and disease registry in the United States ranks four of these five metals in the top 10 of their substance priority list. So arsenic, lead and mercury take first, second and third position.
Speaker: and cadmium is the seventh. So these agencies are well aware that these medals are one of the major threats to public health.
