Staying Healthy
5 important blood tests beyond the basics
Bring this article to your next doctor appointment to ask if these tests are right for you.
Your next general check-up will probably include basic blood tests for levels of red blood cells, various types of white blood cells, fats (like cholesterol), and chemicals that indicate how your liver and kidneys are functioning. Some tests beyond the basics can also reveal important aspects of health, but your doctor might not offer them routinely. The following five tests may be worth pursuing in certain situations.
1. Vitamin B12
B12 (cobalamin) is an essential vitamin we need for keeping our brain and nerves healthy, for producing DNA and red blood cells, and for lowering levels of homocysteine (an amino acid linked to chronic diseases such as dementia and heart disease).
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.
Sign Me UpAlready a member? Login ».
About the Author
Heidi Godman, Executive Editor, Harvard Health Letter
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
