Backers claim the tests can predict a child’s risk of autism using a strand of hair or a mother’s blood, but critics say they are not ready for the market.

Doctors may order a cyclic citrullinated peptide (CCP) antibody test and other exams to confirm or rule out a rheumatoid arthritis (RA) diagnosis. A positive CCP antibody test doesn’t necessarily mean ...

A thyroglobulin antibody (TgAb) test looks for certain antibodies that attack the thyroid. The presence of TbAb in high levels may indicate that someone has an autoimmune condition. To conduct a TgAb ...

The omicron variant of COVID-19 has caused a surge in symptoms and positive cases across the United States, and since a few of the symptoms resemble a common cold, one question some are asking is: Did ...

A TPO antibody test helps diagnose autoimmune thyroid diseases like Hashimoto’s thyroiditis. A positive test result means antibodies are present and may indicate a thyroid condition, but other tests ...

‌Your thyroid is a small butterfly-shaped organ in the front of your neck. It has a lot of important roles, including making hormones that control your metabolism and help your body grow and develop.

Thyroid antibodies are cells the immune system forms in response to thyroid cells. They develop when the immune system mistakenly attacks thyroid cells and tissues. High levels can indicate an ...

Each week, we answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at [email protected] with the ...