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Obesity 'may pose osteoporosis risk' | |
(about 3 hours later) | |
Obesity may be a risk factor for the frail bone disease osteoporosis, a study suggests. | Obesity may be a risk factor for the frail bone disease osteoporosis, a study suggests. |
US researchers have discovered that some people who are overweight have hidden fat inside their bones that could make them weak and prone to fractures. | US researchers have discovered that some people who are overweight have hidden fat inside their bones that could make them weak and prone to fractures. |
The Harvard Medical School team in Boston did body scans on 106 obese but healthy men and women. | The Harvard Medical School team in Boston did body scans on 106 obese but healthy men and women. |
The findings are published in the journal Radiology. | The findings are published in the journal Radiology. |
The scans reveal some people carry fat in hidden places like the liver, muscles and bone marrow as well as their belly, hips or thighs. | The scans reveal some people carry fat in hidden places like the liver, muscles and bone marrow as well as their belly, hips or thighs. |
Dr Miriam Bredella, who carried out the work, says apple-shaped people who carry weight around their waist may be at greatest risk. | Dr Miriam Bredella, who carried out the work, says apple-shaped people who carry weight around their waist may be at greatest risk. |
Fat bones | Fat bones |
The bone marrow is where the cells responsible for new bone formation - osteoblast cells - live. | The bone marrow is where the cells responsible for new bone formation - osteoblast cells - live. |
Dr Bredella reasons that if more of the marrow is taken over by fat cells then this will weaken the bones. | Dr Bredella reasons that if more of the marrow is taken over by fat cells then this will weaken the bones. |
She said: "If you have a spine that's filled with fat, it's not going to be as strong. | She said: "If you have a spine that's filled with fat, it's not going to be as strong. |
"Obesity was once thought to be protective against bone loss. We have found that this is not true." | "Obesity was once thought to be protective against bone loss. We have found that this is not true." |
Given that none of us can choose where we put on weight, the only answer is to stay slim, say the researchers. | Given that none of us can choose where we put on weight, the only answer is to stay slim, say the researchers. |
Almost three million people in the UK are estimated to have osteoporosis. The condition is normally associated with being slight of frame and frail. | Almost three million people in the UK are estimated to have osteoporosis. The condition is normally associated with being slight of frame and frail. |
Bone marrow fat has been found in higher-than-normal levels in people who have osteoporosis. | Bone marrow fat has been found in higher-than-normal levels in people who have osteoporosis. |
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