The online clinic on diabetes is now closed to new questions, but you can still read the answers to a range of questions on type 1 and type 2 diabetes, dietary issues, causes of diabetes, blood glucose monitoring, insulin treatments, hypoglycaemia, hyperglycaemia and gestational diabetes by following the links in the box below.
The experts
Dr Masud Haq - consultant in diabetes and endocrinology

Masud Haq has been a consultant in diabetes and endocrinology at Maidstone & Tunbridge Wells Hospital since April 2008. He trained at Guy’s & St.Thomas’s Hospital and spend part of his training at Johns Hopkins Medical School (USA), St.Vincent’s Hospital (Australia) and St.George’s Hospital (London).
As a former senior research fellow at the Royal Marsden Hospital, he has developed a particular interest in thyroid disease. His other interests include obesity, men’s health and the menopause.
Lisa Holmes – registered dietitian

Lisa is a registered dietitian with nine years experience working within the NHS as a senior paediatric dietitian. She has experience in neonatal care and the management of cystic fibrosis, childhood obesity and cardiology.
Since April 2008, Lisa has been working as a freelance dietitian, she holds private consultations with adults and children, works as a consultant with companies and offers corporate health advice. She lectures and talks on nutrition and dietetics, is a published reviewer of scientific literature in journals and other professional publications. She has written Department of Health educational and training programmes and is currently studying for a Postgraduate Diploma in Obesity Science and Management with Robert Gordon’s University.
James Byrne MD, FRCS (Gen Surg) – gastrointestinal surgeon

James is a consultant upper gastrointestinal surgeon and honorary senior lecturer at University Hospital Southampton.
He has been a member of the bariatric (obesity) surgical team in Southampton since it was established in 2004 and with his team has performed more than 1,500 procedures such as laparoscopic gastric banding, gastric bypass and revision surgery following gastric banding.
James also has a strong research interest in new technologies and techniques to promote weight loss. These include Endobarrier, an incisionless procedure in which a plastic liner is placed in the upper intestine that is effective particularly for overweight diabetics to improve the control of their diabetes and help them lose weight, and abiliti, an implanted device that helps patients manage their eating behaviour.
Jenny Radcliffe – consultant clinical health psychologist
Jenny Radcliffe is a consultant clinical health psychologist specialising in weight management, obesity, weight loss surgery and emotional eating.
She has more than 18 years' experience of working with patients with a range of health problems, including diabetes, chronic pain, cancer and chronic fatigue syndrome. For the past 10 years she has focused increasingly on the psychological aspects of weight management and the impact of weight loss surgery.
Jenny has her own consultancy and provides input to bariatric and weight management services across south east England. She is a member of British Psychological Society and is registered with the Health Professions Council.