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Health news update: Is type 2 diabetes a Jewish disease?

Millions are thought to have undiagnosed pre-diabetes, or raised blood sugar. Are a disproportionate number of them Jews?

April 21, 2025 20:37
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5 min read

When Neil Cohen started experiencing blurred vision and dizziness just after Pesach 2006, he popped into Specsavers at Brent Cross to get tested. For Steven Marcus, it was an unquenchable thirst that took him to the GP’s surgery.

Both men were quickly diagnosed with type 2 diabetes, meaning their bodies were no longer able to regulate blood sugar. Untreated, the condition can cause serious complications including heart disease, kidney disease and stroke. It can damage eyesight and lead to amputation. For Steven the news came as “a complete shock”; for Neil whose older brother already had diabetes, less so, even though he was aged just 45 at the time.

Charity Diabetes UK has declared “a hidden health crisis” because 4.2 million of us and rising now have type 2 diabetes, while millions more are thought to have undiagnosed pre-diabetes, or raised blood sugar.

In a healthy person, the hormone insulin produced by the pancreas keeps blood sugar at a steady level. Unlike type 1 diabetes, which can strike without any obvious reason, type 2 is seen as a lifestyle disease. It is caused when the body cannot produce enough insulin. Though it mainly affects older people, increasing numbers of under-25s have the condition.

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