(CNN) -- Alzheimer's disease may be inherited more often than previously known, according to a new study that paints a clearer picture of a gene long known to be linked to the common form of dementia.

Thanks to increasingly efficient and affordable gene sequencing technologies, we can now chart our genetic blueprint in unprecedented detail. But what does each gene do? Of the roughly 20,000 genes ...

Francesca has an MSci in Biochemistry from the University of Birmingham.View full profile Francesca has an MSci in Biochemistry from the University of Birmingham. Laura holds a Master's in ...