Lara Vukelich is a freelance writer in San Diego, California. She writes creative content and SEO-driven copy that can be found everywhere from Huffington Post and Quiet Revolution to Expedia, ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

Sometimes it may feel like almost every visit to the doctor includes a dreaded blood draw. Blood tests can reveal a lot about the state of your health. But whether you should get a specific test (and ...