A woman who calls herself a spirit medium and healer is claiming a Bluetooth device she sells can digitally send people vitamins and amino acids.
Jeanette Wilson also says the 'Healy' device, and associated smartphone apps, can help her treat people with learning difficulties, cystic fibrosis and multiple sclerosis.
A physicist says people are being fooled if they think Healy can heal anything.
Susan Strongman has more.