Prescription rates for diabetes drugs have risen faster in west London than in most parts of England.
That is an average of 0.8 diabetes prescriptions for every person living in the area
The rate increased by 11.8% compared to the year ending September 2015, when there were 131,032.
It was among the biggest increases in England.
Hounslow registered the second highest increase locally, and the fourth nationally, with 11.4% more prescriptions compared to the year ending September 2015.
In September 2016 patients received 296,981 prescriptions, or 1.1 for each person living in the area.
Harrow saw the highest proportion in west London, 1.25 prescriptions for every person living in the area.
The Public Health England has estimated that in 2017 there will be more than 3.9 million people affected by diabetes, or 8.7% of the population.
The number is expected to keep soaring each year until 2035.
According to the NHS, between seven and nine million people are at risk of becoming diabetic.
The disease is a serious life-long condition which means the body cannot process glucose properly.
The most common type is called type two diabetes, which tends to develop in adulthood.
More than half of cases could be delayed or prevented if people lived more healthy lifestyles.
It can affect circulation and sensation and causes more than 100 amputations a week and 20,000 premature deaths a year.
Around 700 people a day are diagnosed with diabetes, the equivalent of one person every two minutes.
The NHS spends £10 billion a year caring for people affected by diabetes.
If current trends continue, one in three people will be obese by 2034 and one in 10 will develop type two diabetes.
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