Featured Research

from universities, journals, and other organizations

Blood type may influence heart disease risk

Date:
August 14, 2012
Source:
American Heart Association
Summary:
People with blood type A, B, or AB had a higher risk for coronary heart disease when compared to those with blood type O, according to new research.

Blood draw-finger.
Credit: Copyright American Heart Association

People with blood type A, B, or AB had a higher risk for coronary heart disease when compared to those with blood type O, according to new research published in Arteriosclerosis, Thrombosis and Vascular Biology, an American Heart Association journal.

People in this study with the rarest blood type -- AB, found in about 7 percent of the U.S. population -- had the highest increased heart disease risk at 23 percent. Those with type B had an 11 percent increased risk, and those with type A had a 5 percent increased risk. About 43 percent of Americans have type O blood.

"While people cannot change their blood type, our findings may help physicians better understand who is at risk for developing heart disease," said Lu Qi, M.D., Ph.D., the study's senior author and an assistant professor in the Department of Nutrition at the Harvard School of Public Health in Boston.

Knowing your blood type can be an important part of staying healthy and avoiding heart disease, Qi said. "It's good to know your blood type the same way you should know your cholesterol or blood pressure numbers," he said. "If you know you're at higher risk, you can reduce the risk by adopting a healthier lifestyle, such as eating right, exercising and not smoking."

The findings are based on an analysis of two large, well-known U.S. studies -- 62,073 women from the Nurses' Health Study and 27,428 adults from the Health Professionals Follow-up Study. Participants were between ages 30 and 75, and both groups were followed for 20 years or more.

Researchers also considered the study participants' diet, age, body mass index, gender, race, smoking status, menopause status and medical history. Researchers noted that the percentages of different blood types seen among the men and women enrolled in the two studies reflected levels seen in the general population.

The study did not evaluate the biological processes behind blood type and heart disease risk.

"Blood type is very complicated, so there could be multiple mechanisms at play," Qi said.

However, there is evidence suggesting that type A is associated with higher levels of low-density lipoprotein cholesterol, the waxy substance that can clog arteries, and type AB is linked to inflammation, which may affect the function of the blood vessels. Also, a substance that plays a favorable role in blood flow and clotting may be higher in people with type O blood.

Understanding blood type could help healthcare providers better tailor treatments, Qi suggested. For example, a patient with type A blood may best lower heart disease risk by decreasing cholesterol intake.

The study group was predominantly Caucasian, and it's not clear whether these findings would translate to other ethnic groups. Environment also contributes to risk, Qi said.

"It would be interesting to study whether people with different blood types respond differently to lifestyle intervention, such as diet," Qi said, noting that further analysis is needed.

Co-authors are Meian He, M.D., Ph.D.; Brian Wolpin, M.D., M.P.H.; Kathryn Rexrode, M.D.; JoAnn E. Manson, M.D., Dr.PH.; Eric Rimm Sc.D. and Frank B. Hu, M.D., M.P.H., Ph.D.

The National Institutes of Health, the American Heart Association Scientist Development Award and the Boston Obesity Nutrition Research Center funded the study.

Learn more about the key factors and behaviors to avoiding heart disease and stroke risks -- what the American Heart Association calls Life's Simple 7™ -- and what you can do to live a healthier lifestyle.


Story Source:

The above story is based on materials provided by American Heart Association. Note: Materials may be edited for content and length.


Journal Reference:

  1. Meian He, Brian Wolpin, Kathy Rexrode, JoAnn E. Manson, Eric Rimm, Frank B. Hu, Lu Qi. ABO Blood Group and Risk of Coronary Heart Disease in Two Prospective Cohort Studies. Arteriosclerosis, Thrombosis and Vascular Biology, 2012 DOI: 10.1161/%u200BATVBAHA.112.248757

Cite This Page:

American Heart Association. "Blood type may influence heart disease risk." ScienceDaily. ScienceDaily, 14 August 2012. <www.sciencedaily.com/releases/2012/08/120814213406.htm>.
American Heart Association. (2012, August 14). Blood type may influence heart disease risk. ScienceDaily. Retrieved April 20, 2014 from www.sciencedaily.com/releases/2012/08/120814213406.htm
American Heart Association. "Blood type may influence heart disease risk." ScienceDaily. www.sciencedaily.com/releases/2012/08/120814213406.htm (accessed April 20, 2014).

Share This



More Health & Medicine News

Sunday, April 20, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Nine-Month-Old Baby Can't Open His Mouth

Nine-Month-Old Baby Can't Open His Mouth

Newsy (Apr. 19, 2014) Nine-month-old Wyatt Scott was born with a rare disorder called congenital trismus, which prevents him from opening his mouth. Video provided by Newsy
Powered by NewsLook.com
'Holy Grail' Of Weight Loss? New Find Could Be It

'Holy Grail' Of Weight Loss? New Find Could Be It

Newsy (Apr. 18, 2014) In a potential breakthrough for future obesity treatments, scientists have used MRI scans to pinpoint brown fat in a living adult for the first time. Video provided by Newsy
Powered by NewsLook.com
Little Progress Made In Fighting Food Poisoning, CDC Says

Little Progress Made In Fighting Food Poisoning, CDC Says

Newsy (Apr. 18, 2014) A new report shows rates of two foodborne infections increased in the U.S. in recent years, while salmonella actually dropped 9 percent. Video provided by Newsy
Powered by NewsLook.com
Scientists Create Stem Cells From Adult Skin Cells

Scientists Create Stem Cells From Adult Skin Cells

Newsy (Apr. 17, 2014) The breakthrough could mean a cure for some serious diseases and even the possibility of human cloning, but it's all still a way off. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins