Researchers from Saarland University and Siemens Healthcare report that a new blood test can accurately discriminate between healthy people and patients with Alzheimer’s disease. It’s hoped the non-invasive and relatively cheap test could one day help with diagnosis. The research is published in the open access journal Genome Biology .
The Red Cross recently announced that its blood supply has reached emergency levels . Donations are down more than 10% across the country, resulting in 50,000 fewer pints of blood than expected last month.
Question: I’ve heard that nitrates in food are dangerous and that I should avoid them. What are nitrates, why are they a problem, and what foods contain them?