This week’s episode starts with 8-year-old Charlotte from Suffolk who’s been suffering from sore verrucas on her feet for over 2 years. Dr Christian sends Charlotte for tests to check her immune system and try and find out why the virus is winning. ... (more) The tests reveal that her immune system is unable to fight the virus and so the usual treatment for verrucas will not do the job. Whilst a formaldehyde treatment produces some encouraging results, further immunology test reveal that she’s missing certain lymphocytes and the possible treatment course includes a bone marrow transplant and chemotherapy. +++UPDATE+++ Charlotte’s operation to remove the verrucas from her foot appears to have been successful and her foot is healing really well. She’s back on her bike and back to being a normal child, pending a potential bone marrow transplant. The EB bus heads to Southend, where Dr Priya has a patient with case of cold feet, medically known as Chilblains. Dr Pixie’s patient can’t stop scratching her itchy sores while Dr Christian has a customer with a permanent runny nose due to nasal polyps. Next up is a visit to the dentist for 27-year-old Lyn from Aberdeen. Lyn arrived to see Dr James because she has an addiction to fizzy drinks that has left her with missing, rotting and discoloured teeth. After extracting the rotten teeth, Dr James recommends implants, but only if Lyn will give up smoking, as it drastically reduces the success rate of the procedure. After a long day in the dental hot seat, Lyn has a new set of pearly whites. Visiting the clinic next is David, 24, from Shropshire who’s had an embarrassing swelling for more than half his life. None of the treatments and tests have been able to ease his enlarged sore lips. Dr Pixie suggests that the swelling is a possible sign of an allergic reaction. Tests reveal that David is allergic to cinnamon and a long list of preservatives; so he sets off in search of a new diet. The doc