Be wary: the alarm sound is also “killing”!
Do you know? For many years, we have never left the ringing tone, but it is a potential “super killer”! Recently, some experts said that if the alarm sound is loud, it is easy to cause people to be scared, cause vasoconstriction, accelerate heartbeat, induce or aggravate heart disease, cerebral arteriosclerosis, myocardial infarction and so… Read More »