Doctor in the House

For the last 15 years, mum of two, Gemma, has battled cluster headaches up to ten times a day. Experts often refer to them to as `suicide headaches' because the pain is said to be the worst that any human can experience.

The doctor is called in to help 34-year-old Emma, who suffers from severe anxiety, panic attacks and depression. She is refusing to see a counsellor and instead relies on antidepressants, alcohol, nicotine, caffeine and high sugar foods.

Kiki is 11-years-old, weighs 11 stone and at risk of diabetes. Although he is obese, his diet is good and he is one of the sportiest kids at school. Rangan must discover why Kiki can't lose weight and come up with a solution quickly to keep school bullies at bay.

Nicola has been diagnosed with 10 different conditions, including fibromyalgia, ME, sciatica and depression. Her pain and exhaustion have led her to become reliant on painkillers and struggling to get through the day.