An ANA test is a blood test used to help determine whether someone has an autoimmune disorder, such as lupus or rheumatoid arthritis. Learn about the procedure, its risks, and what the results mean.

Using ANA miles to book an economy class flight can offer good value when compared to other airline loyalty programs. As an example, 40,000 ANA miles books you a round-trip economy flight from the ...

It’s also called an ANA or FANA (fluorescent antinuclear antibody) test. Antibodies are proteins that your immune system makes to fight off bacteria, viruses, and other germs.