Hidden 'type 1.5' diabetes affects millions of adults. Here's how to spot it | BBC Science Focus Magazine

Hidden 'type 1.5' diabetes affects millions of adults

Type 1.5 diabetes, or latent auto-immune diabetes (LADA), is a distinct form of diabetes that shares similarities with type 1 and 2 diabetes.

LADA is not a new form of diabetes, but it is somewhat rare, accounting for 3–12 per cent of all cases of diabetes in adults, and has been medically recognised since 1993.

Like type 1 and 2 diabetes, LADA is classed as a disorder of too much sugar, or glucose, in the blood, but it's often misdiagnosed, with a recent study suggesting that as many as 14 per cent of people diagnosed with type 2 diabetes may actually have LADA.

Type 1.5 diabetes, or latent auto-immune diabetes (LADA), is not a new form of diabetes, but it is somewhat rare.
Summary

Author's summary: LADA affects millions of adults worldwide.

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Science Focus Science Focus — 2025-10-20