When blood pressure dips too low
Image: Thinkstock
Your blood pressure fluctuates throughout the day, with lots of small ups and downs punctuated by occasional peaks and valleys. Just as a thermostat adjusts your furnace or air conditioner to keep your house at a comfortable temperature, your body has a built-in mechanism to keep your blood pressure relatively stable (see box).
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 ».
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.
