Danny Nicholls, a fit and healthy 16-year-old from Chorley, Lancashire, collapsed and died suddenly on December 10, 2012, while lying next to the Christmas tree at home. Forensic pathologists determined that Danny had suffered an unexplained seizure caused by electrical impulses in his body, leading to cardiac arrest. His parents, Eric and Lorraine Nicholls, continue to struggle with understanding why their son died without any apparent cause or medical history of illness. The documentary 'Cause of Death' features forensic pathologist Dr. Richard Shepherd reexamining the case to uncover potential causes behind Danny's sudden death.
Written locally by qwen2.5:14b on 2026-10-07,
using this article's own text rather than the other coverage of the
same event (that is the story summary below).
Story summary
In December 2012, Danny Nicholls, a fit and healthy 16-year-old from Chorley, Lancashire, collapsed and died suddenly while lying next to the Christmas tree in his living room. His parents, Eric and Lorraine Nicholls, struggled immensely with this sudden loss, especially given Danny’s otherwise good health. On the day of his death, December 10th, Lorraine noticed her son asleep when she left for work and later attempted to contact him but could not reach him. She then sent her sister Leanne to check on Danny, who found him unresponsive on the floor. Despite efforts by paramedics, Danny was pronounced dead at the scene. Forensic pathologists concluded that Danny had experienced a sudden seizure caused by electrical impulses in his body, leading to cardiac arrest, but no definitive cause of death has been established since then. The incident left Lorraine and Eric with unanswered questions regarding their son’s tragic demise, highlighting the unpredictability and pain associated with unexplained fatalities among young individuals.
Written for “Sudden Youth Death Mystery” on 2026-10-07,
grounded in this article and the 0 other(s) covering the same event.
The parents of a fit and healthy 16-year-old boy have revealed their confusion and pain after he collapsed and died suddenly on the floor with no explanation.
asserted
he → reveal → explanation
Danny Nicholls was found lying next to the Christmas tree in the living room at his family home in Chorley, Lancashire, in December 2012 and later pronounced dead.
Forensic pathologists later discovered he had suffered a sudden and unexplained seizure caused by the body's electrical impulses, which caused his heart to stop.
asserted
heart → find → impulses
His parents Eric and Lorraine Nicholls struggled to come to terms with Danny's death, especially considering he was a perfectly healthy boy apart from a recent cold.
asserted
he → struggle → cold
Mrs Nicholls saw Danny sleeping in bed when she left for work on the cold morning of December 10, leaving him undisturbed because he had a day off college.
asserted
he → see → college
She gave her son a list of jobs to do but could not get through to him on the phone during the morning – and sent his sister Leanne to go and check on him.
uncertain
She → give → him
Leanne then called her to say she could see Danny on the floor in the lounge through the window outside.
uncertain
she → call → window
She dialled 999 and Mrs Nicholls raced home before running screaming into the house, but paramedics were already there and he was dead.
asserted
he → dial → house
Speaking in a new episode of Channel 5 documentary 'Cause of Death', Mrs Nicholls said she told her son: 'Daniel, wake up, it's mum, wake up'... and of course, he didn't.'
asserted
he → speak → course
She added: 'I'd gone out to work in the morning to a very happy, healthy 16-year-old still in bed.
asserted
I → add → bed
I've just got to understand why he just stopped breathing, just like that.'
asserted
he → get → that
Danny Nicholls, who lived in Chorley, Lancashire, with his parents Eric and Lorraine Nicholls
Danny's parents Eric and Lorraine Nicholls struggled to come to terms with their son's death
Danny supported Blackburn Rovers FC, where his mother Lorraine worker as a tunnel steward
Mr Nicholls also said: 'I came in, sat on the floor with him and I put his head on my lap and I think I was there...
asserted
I → live → lap
I think it was about an hour, just talking to him.
asserted
it → think → him
There was no sign of a break-in, no evidence of assault and nothing to suggest self-harm – so experts began searching for the unknown cause behind his death.
asserted
experts → be → death
The following May, a coroner in Preston recorded a verdict that Danny died from natural causes, but the exact reason for his death has remained a mystery.
uncertain
reason → follow → death
The programme sees forensic pathologist Dr Richard Shepherd, who has overseen more than 20,000 autopsies, reexamine the evidence behind Danny's death.
asserted
who → see → death
He says: ‘When a seemingly healthy teenager collapses at home, we have to look really deeply and understand very clearly what has happened.
asserted
what → say → home
‘Could this be a medical condition, could he have a congenital abnormality that caused his death, could he have some trauma, or could he have taken some substance that caused his death?’
uncertain
that → have → death
The documentary also hears from paramedic Gareth Barnes who was first on scene after the 999 call.
asserted
who → hear → call
He says: 'This was a 16-year-old, not responsive and I'm thinking 'what has caused this?'
asserted
what → say → this
Is it a medical event, is it a traumatic event, is there any substances involved?
asserted
it → involve → ?
Danny with his father Eric Nicholls, who spent an hour talking to her following his death
Eric and Lorraine Nicholls visit Danny's grave during the new Channel 5 documentary
Forensic pathologist Dr Richard Shepherd has reexamined the evidence behind Danny’s death
'
asserted
Shepherd → spend → death
I can see Danny's sister Leanne is outside and she's very upset and distressed.
asserted
she → see → ?
Through the lounge window I can see Danny is on the floor, unresponsive.
asserted
Danny → see → floor
'Myself and a passerby break the door down and I find Danny lying on the living room floor by the Christmas tree - and that's an image that I vividly remember and have remembered throughout these years.
asserted
I → break → years
Police found no evidence of any third party involvement in Danny's death, and pathologists concluded that there was no alcohol or drugs in his system.
asserted
pathologists → find → system
The teenager - a computer student at Runshaw College - was in very good health, had not been taking any medication and there were no previous causes for concern.
But investigations found that Danny suffered a very unusual seizure caused by the body's electrical impulses, which stopped his heart beating.
asserted
heart → take → impulses
Pathology professor Timothy Dawson, who conducted the post-mortem examination, said he had only seen four such cases during his career of more than 20 years.
asserted
he → conduct → years
Danny was a big fan of Blackburn Rovers FC, where his mother was well-known from her work as a player liaison and tunnel steward at Ewood Park.
asserted
mother → know → Park
The former Southlands High School pupil was a mascot for the team aged nine, with player Robbie Savage once presenting him with his match shirt after a game.
asserted
Savage → present → game
'Cause of Death' airs on Channel 5 at 9pm tonight
asserted
'Cause → air → 9
The Aporia
