DEAR MAYO CLINIC: I’ve never had my blood drawn before, but I have to go in for testing soon. Honestly, I’m pretty nervous about it. What can I expect? ANSWER: It can be a little nerve-wracking at ...

Following your doctor’s instructions is the most important part of preparing for a blood test. Sleeping well, staying hydrated, and avoiding certain foods and drinks can also provide benefits. Blood ...

Sapha Shibeeb does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...