By Isobel Williams & Joe Smith People with Obesity are 73 per cent more likely to have a condition that can lead to incurable blood cancer, a new study has warned. Obese people are 73 per cent more likely to have monoclonal gammopathy (MGUS), a benign blood condition that often precedes multiple myeloma, researchers found. Multiple myeloma is a blood cancer that attacks the white blood cells that produce antibodies that power your immune system and fight infection. MUGS has no symptoms so many people who have it are not aware as they are not immediately sick, but the presence of the disease se…