Six little-known warning signs of multiple myeloma after death of Max Payne actor James McCaffery

The 65-year-old US actor was reportedly diagnosed with multiple myeloma, which arises from plasma cells within bone marrow – the ‘spongy’ substance lurking within bones.The 65-year-old US actor was reportedly diagnosed with multiple myeloma, which arises from plasma cells within bone marrow – the ‘spongy’ substance lurking within bones.Read MoreHealth News | Mail Online