Medical News Today: What can cause a headache and a nosebleed?

Medical News Today: What can cause a headache and a nosebleed? Headaches and nosebleeds are common and not usually a cause for concern. When they occur together, however, people may be worried that they are linked. Learn about their causes and when to see a doctor here. https://ift.tt/eA8V8J https://ift.tt/2r4k23A