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Money spent by the NHS on the treating of obesity has sky rocketed. The NHS has spent 47 million on slimming pills for the treatment of obesity: an increase of 13% on the year before and a whopping 55% increase from 2005s figures! This teamed with the cost of surgery such as gastric bands will be an even greater expense for the NHS in the treating of those whose health is at serious risk due to their unhealthy weight. Professor John Speakman, at the British Science Festival stated that lifestyle is not the reason for obesity and its increase in recent years but rather our intake of calories. He elaborated that calorie intake has increased by a third to an average of 3,500 calories per day and there has been no change in the amount of physical activity carried out in order to compensate for this overwhelmingly high calorific diet.Weight loss pills post clinical trials are failing to meet the standards of the FDA in order to secure approval. Drugs like Lorcaserin and Sibutramine are providing positive results in terms of weight loss but unfortunately are failing to convince regulators that the side effects are insignificant enough to warrant having the drugs on the market. The popular and successful weight loss drug Reductil (Sibutramine) is longer licensed in the UK, which is unfortunate as many people had a huge success this drug without any side effects so hopefully it will be licensed again in the future. Sibutramine is still licensed in the US but this is now under review.The research continues but until new drugs are approved, Xenical is the only licensed diet pill in the EU. Xenical is available from online clinics and prescriptions may be obtained from your GP. Xenical cannot be prescribed for everyone so a consultation online or face to face with a doctor is necessary. In addition, a diet moderately low in fat must be maintained in order to have any success with Xenical and avoid unwanted side effects. Dietary changes are necessary, especially while there is a lack of choice in the area of successful diet pills. The best way to lose weight has always been to improve your diet and to increase levels of physical activity - there is no easy way, even slimming pills are only to be used as an adjunct to diet and exercise.