OVERWEIGHT people are "equally good" stem cell donors as those of a healthy weight, a charity has found.

New research by the British Bone Marrow Registry and blood cancer charity Anthony Nolan found that clinically obese people can successfully donate cells through a simple procedure called peripheral blood stem cell collection (PBSC).

Stem cell transplants are used in the treatment of blood disorders and cancers.

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Anthony Nolan said that in the past it was commonly thought that people with a high Body Mass Index (BMI) were more likely to experience side effects from donating their stem cells.

But the new research, found the contrary after a sample of 19 people with a BMI of 35 were assessed for a year after donating stem cells.

These donors had no more side effects than those people with a BMI of under 35.