I don't believe it's been proving to be very reliable as there are methods people can put in place to control their breathing and heart rates. There are also people who believe in their delusions or create misleading information without realising it so this information provided by then would also be unreliable.
I don't believe it's been proving to be very reliable as there are methods people can put in place to control their breathing and heart rates. There are also people who believe in their delusions or create misleading information without realising it so this information provided by then would also be unreliable.
Not very, hence why it's inadmissible as evidence most places