Fitness Fights High Blood Pressure, Even With Family History

TUESDAY, May 15 (HealthDay News) — Although people with a family
history of high blood pressure (hypertension) are at much greater risk of
developing the condition themselves, regular exercise and physical fitness
may significantly lower that risk, according to a new study.

“The results of this study send a very practical message, which is that
even a very realistic, moderate amount of exercise — which we define as
brisk walking for 150 minutes per week — can provide a huge health
benefit, particularly to people predisposed to hypertension because of
their family history,” study author Robin Shook said in an American Heart
Association news release.

The researchers followed nearly 6,300 highly fit people ranging in age
from 20 to 80 for nearly five years. Of this group, one-third had at least
one parent with high blood pressure. These people had a 34 percent lower
risk of developing hypertension than other people who also had a family
history of the disease but were not as physically fit.

Overall, more than 1,500 of the participants developed hypertension
during the course of the study. High levels of fitness, however, were
associated with a 42 percent lower risk for high blood pressure —
regardless of family history. Moderately fit people had a 26 percent lower
risk.

In contrast, the study, published May 14 in the journal
Hypertension, showed that people with a low level of fitness and a
family history of hypertension had a 70 percent higher risk for high blood
pressure than highly fit people.

Moreover, among fit people, having a family history of hypertension
increased the risk for the condition by only 16 percent.

“The correlation between fitness levels, parental history and risk are
impossible to ignore,” said Shook, a doctoral candidate in the Arnold
School of Public Health at the University of South Carolina in Columbia.
“This awareness can serve the clinician and the patient as they work
together to find effective and reasonable ways to avoid the diseases that
have affected their family members, in some cases for generations.”

The American Heart Association recommends at least 30 minutes of
moderately intense physical activity, such as brisk walking, five days a
week.

Because the majority of participants in this study were white,
well-educated men with higher incomes, the new findings may not apply to
all people.

More information

The U.S. National Institutes of Health has more about hypertension.

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