Sensors to keep the black dog away

Doctor Mary Czerwinski was having a blazing row with her boyfriend when something really strange happened.

Beep beep! He got a text message warning him that Mary might be stressed and how about giving her a call to check that she’s okay?

It was a eureka moment in Dr Czerwinski’s professional fight against depression.

“We both just burst out laughing and, of course, the fight was over immediately — I can’t even remember what