Early in 2025, BBC Investigations Correspondent Noel Titheradge published his first story about a category of prescription drug with unusual side effects.

People who take dopamine agonist drugs for conditions like Parkinson’s disease or Restless Legs Syndrome often report impulse control disorders - problems with gambling, compulsive eating or shopping, or hypersexuality.

He wasn’t expecting the response. After that first article was published more than 200 people got in touch - that’s me, they said, that’s my partner, that’s my dad.

So Noel started digging.

Details of organisations offering help and support with some of the issues raised are available at bbc.co.uk/actionline.

If you have any concerns about medication you’re taking, speak to your doctor.

Mark Steel introduces an extraordinary battle between two activists - a gardener and a former postman - and one of the world's biggest fast food companies. A battle over a leaflet which led to the longest trial in English history. It would bring issues like rainforest destruction and advertising to children into the mainstream. It would also be the moment our Prime Minister first comes to prominence. Ultimately, it's a story which would have connections with a dark and shameful secret at the heart of the British state - something Mark discovers he himself had been the victim of. Honestly, there are conspiracy theories less bonkers than this. Welcome to the People vs McDonald's...

Shadow World: Gripping stories from the shadows - BBC investigations from across the UK.

It should be impossible to steal a home, but Sue Mitchell reveals it's all too easy. The multi-award winning investigative journalist (Intrigue: To Catch a Scorpion, Million Dollar Lover) is on the trail of an East European crime group using forged wills to 'take' the homes of the dead , stealing millions from rightful heirs and denying the Government valuable tax revenue. Sue Mitchell starts her original investigation when two sisters are denied their rightful inheritance following the death of their estranged aunt, but soon finds herself tracking a gang that are not only conning people out of property but also linked to cannabis farms, money laundering and the sale of UK work visas. Over five episodes, she goes in search of the gang members behind this elaborate scam and web of false companies, exposing the shortfalls of a creaking system which places countless others at risk. Shadow World: Gripping stories from the shadows - BBC investigations from across the UK.