Smoking shisha 'significantly increases' the risk of diabetes and obesity and is worse than a whole packet of cigarettes، a study has found،as the Daily Mail said. People who inhaled the sweet-smelling fumes of 'hookah' smoke were more likely to be fat and have type 2 diabetes in comparison to those who didn't. The tabletop pipes have grown in popularity in recent years، with up to a fifth of young people using them as well as famous footballers and celebrities. But they can lead to illnesses not associated with cigarettes، such as obesity، metabolic syndrome، dyslipidemia or diabetes. The negative effects are said to be the equivalent or worse than smoking a pack of cigarettes، experts at the Brighton and Sussex Medical School warned. The results of the study، which involved academics at a university in Iran، were published in Diabetology and Metabolic Syndrome. Shisha is a leisure activity، hailing from the Middle East. It is often considered to be a more 'healthy' alternative to smoking. The habit is usually a social activity and famous people are often snapped doing it، ranging from footballers and their partners to musicians. The research involved 9،840 participants - a mixture of smokers، non-smokers، ex-smokers، cigarette smokers and hookah smokers. The participants، from Iran، took a questionnaire which investigated their smoking history، cardiovascular risk factors and anxiety and depression. This was then measured against their biochemical results، analysed by taking blood tests. The flavourings in electronic cigarettes may damage blood vessels in the same way as heart disease، according to research published in June. The chemicals used to give the vapour flavours، such as cinnamon، strawberry and banana، can cause inflammation in cells in the arteries، veins and heart. They causes the body to react in a way that mimics the early signs of heart disease، heart attacks or strokes، the study by Boston University found.