成人快手

Gain Without the Pain: Legal Drugs in Sport

Painkillers in sport - the legal doping risking the long-term health of athletes.

• 38 mins

Preventing TB

TB remains a killer disease, how effective are attempts to find a better vaccine?

• 37 mins

Online Grooming

File on 4 investigates the true scale of child sexual grooming on social media.

• 38 mins

What Lies Beneath: The Legacy of Landfill

The toxic legacy of the UK's tens of thousands of underground waste dumps.

• 38 mins

Children with ME

Families of children with a severe fatigue condition say they have been accused of abuse.

• 38 mins

Mental Health Parity: Progress or Pipe Dream?

Radio 4's investigative current affairs documentary series.

• 38 mins

Car Emissions - Coming Clean?

After the US diesel scandal, does Europe also need to come clean about car emissions?

• 38 mins

About a Boy - The Hidden Victims of Grooming

Are teenage boys let down by the system when they report being targeted by paedophiles?

• 38 mins

The Secrets of Smyllum Park

An investigation into the treatment of children at Smyllum Park orphanage in Scotland.

• 38 mins

Paralympic Sport - Fair Play?

Are some countries cheating the paralympic classification system in the pursuit of medals?

• 38 mins

Adoption: Families in Crisis

Is there enough support available to struggling adoptive families?

• 38 mins

Extremism: Hidden in Plain Sight

Manveen Rana uncovers hate speech and sectarianism in British Urdu media.

• 38 mins

Elderly Patients in Hospital - Who Cares?

Who cares? Are elderly patients being left to suffer and die from neglect in hospital?

• 38 mins

Police Protection? The Murder of Kevin Nunes

Questions remain about alleged police misconduct in a 15-year-old murder investigation.

• 38 mins

Crossing the Line - Britain's Teenage Drug Mules

The urban gangs using children to flood rural Britain with drugs and violence.

• 38 mins

The Nuclear Option - Powering the Future and Cleaning Up the Past

How are plans for the future of nuclear power progressing - and how to clean up the past?

• 38 mins

Paradise Papers: Profits from the Poor

An investigation into international offshore finance.

• 38 mins

What's New about the New Far Right?

What threat do the new and emerging far right groups pose to the UK?

• 38 mins

Degrees of Deception

How thousands of people in the UK have obtained fake and worthless degrees.

• 40 mins

Sheltered from Harm

Who protects the residents of sheltered housing schemes from abuse or neglect?

• 38 mins

A Deadly Prescription

As deaths involving prescription drugs increase, who is supplying demand on the streets?

• 38 mins

Potters Bar, Ukraine's stolen billions and the Eurovision connection

UK companies are being used to launder dirty money as new transparency rules are flouted.

• 38 mins

Dying on the Streets

Why does life on the street also mean death on the street for some rough sleepers?

• 38 mins

On the Critical List? Britain's Ageing Hospitals

Can the NHS afford to run and replace its ageing hospitals? Lesley Curwen investigates.

• 37 mins

Disclosing the Truth

How are disclosure of evidence failures affecting justice in the magistrates' courts?

• 38 mins

The Missing Bitcoin Billions

The mystery of the missing Bitcoin billions: a real-life cryptocurrency crime drama.

• 38 mins

Squalid Prisons - Who's to Blame?

Have private contracts for prison maintenance made our jails more dangerous?

• 38 mins

A Place of Safety?

An investigation into standards in an NHS trust providing mental health care.

• 36 mins

The Invisible Man of Britain鈥檚 Far Right

An investigation into Jim Dowson, the front man for Knights Templar International.

• 36 mins

The Lost Children of Marianvale

An investigation into the former Marianvale mother and baby home in Northern Ireland.

• 38 mins