This is a reprint of a DAMS newsletter article.  While the CVS corporation and others don’t sell MERCURY thermometers nowadays, MERCURY is still in some of them and other measurement devices (blood pressure cuffs).  MERCURY, a powerful neurotoxin, is colorless, odorless,and tasteless. 

Description of DAMS group at 8/20/20 and 1/23/21.  Direction of reading due to my technical😉