A new report from the Centers for Disease Control finds black women with breast cancer have a 40% higher risk of dying than white women with the disease. Researchers say black women are more likely to be diagnosed with advance stages of the disease. The report say black women do not have the same access to preventative care and higher quality treatment.
A team of researchers from around the world has discovered a gene that nearly triples the risk of Alzheimer's disease. Doctors don't know why the gene -- called trem-2 -- increases the chance of getting the disease. But the finding could one day lead to a test that identifies people at risk.
British researchers are linking sun exposure during pregnancy to multiple sclerosis. They found babies born after the summer months had a lower risk of developing the disease. Researchers say pregnant mothers get more sunlight during the summer increasing their baby's vitamin D-levels. They suggest pregnant women consider taking vitamin-D supplements if they're in areas with little winter sunlight.