Posts Tagged ‘ heart health ’

A Happy Childhood Can Lead to a Healthy Heart

Friday, January 16th, 2015

Heart disease—the number one killer of men and women in the United States—is not something to ignore, and with National Heart Month just around the corner, the latest heart health research is coming at just the right time.

According to a new study, published in Circulation, earlier this week, a positive childhood experience could actually benefit heart health later in life. The study examined the psychosocial advantages of 1,100 participants, between the ages of 3 and 18, to determine whether certain factors had an impact on their hearts as adults, like whether they were brought up in a financially secure environment and if their families fostered positive health choices and social skills at a young age.

Each individual’s cardiovascular health was then evaluated 27 years later, and the results concluded that the adults who had been exposed to the most psychosocial advantages had better heart health. Fourteen percent of the adults were more likely to be at a normal weight, 12 percent were more likely to not smoke, and 11 percent were more likely to have healthy blood sugar levels,” according to HealthyDay.

Although this study finds a correlation between a positive childhood experience and better heart health in adulthood, it does not prove a direct cause-and-effect relationship. Even so, the environments we’re raised in can influence our lives, so one of the keys to decreasing health disease in our country may be to provide kids with a stable and healthy childhood. And as February approaches, be on the look-out for more (and sometimes tasty!) ways to combat heart disease.

Caitlin St John is an Editorial Assistant for Parents.com who splits her time between New York City and her hometown on Long Island. She’s a self-proclaimed foodie who loves dancing and anything to do with her baby nephew. Follow her on Twitter: @CAITYstjohn

The Lasting Impact of the Early Childhood Years
The Lasting Impact of the Early Childhood Years
The Lasting Impact of the Early Childhood Years

Image: Happy Children via Shutterstock

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Exercise During Pregnancy May Boost Baby’s Brain

Friday, November 22nd, 2013

Women who get regular physical exercise during pregnancy may be doing their babies a favor by boosting their brain activity as well as their cardiovascular development.  More on a new study by Canadian researchers from The New York Times:

It has long been suspected that a mother-to-be’s activity — or lack of it — affects her unborn offspring, which is not surprising, given how their physiologies intertwine. Past studies have shown, for example, that a baby’s heart rate typically rises in unison with his or her exercising mother’s, as if the child were also working out. As a result, scientists believe, babies born to active mothers tend to have more robust cardiovascular systems from an early age than babies born to mothers who are more sedentary.

Whether gestational exercise similarly shapes an unborn child’s developing brain has been harder to quantify, although recent studies have been suggestive. An experiment presented this month at the Society for Neuroscience’s annual meeting in San Diego, for instance, reported that pregnant rats allowed to run on wheels throughout their pregnancies birthed pups that performed more dexterously in early childhood on a tricky memory test — having to identify unfamiliar objects in a familiar environment — than pups born to sedentary moms. These clever rats retained their cognitive advantage into adulthood (meaning, for rats, weeks later).

But this and similar experiments have involved animals, rather than people. Many of these studies also began comparing the creatures’ cognitive abilities when they were old enough to move about and respond to their world, by which time they potentially might have been shaped as much by their environment as by their time in the womb.

So to minimize these concerns, researchers at the University of Montreal in Canada recently recruited a group of local women who were in their first trimester of pregnancy. At that point, the women were almost identical in terms of lifestyle. All were healthy, young adults. None were athletes. Few had exercised regularly in the past, and none had exercised more than a day or two per week in the past year.

Then the women were randomized either to begin an exercise program, commencing in their second trimester, or to remain sedentary. The women in the exercise group were asked to work out for at least 20 minutes, three times a week, at a moderate intensity, equivalent to about a six or so on a scale of exertion from one to 10. Most of the women walked or jogged.

Every month, for the remainder of each woman’s pregnancy, she would visit the university’s exercise lab, so researchers could monitor her fitness. All of the volunteers, including those in the nonexercise group, also maintained daily activity logs.

After about six months and following the dictates of nature, the women gave birth. All, thankfully, had healthy boys or girls — which the scientists gently requested that the mothers almost immediately bring in for testing.

Within 12 days of birth, in fact, each of the newborns accompanied his or her mother to the lab. There, each baby was fitted with an adorable little cap containing electrodes that monitor electrical activity in the brain, settled in his or her mother’s lap, and soothed to sleep. Researchers then started a sound loop featuring a variety of low, soft sounds that recurred frequently, interspersed occasionally with more jarring, unfamiliar noises, while the baby’s brain activity was recorded.

“We know that baby’s brains respond to these kinds of sounds with a spike” in certain types of brain activity, said Elise Labonte-LeMoyne, a Ph.D. candidate at the University of Montreal, who led the study and also presented her findings at the Society for Neuroscience annual meeting. This spike is most pronounced in immature brains, she continued, and diminishes as a newborn’s brain develops and begins processing information more efficiently. “It usually disappears altogether by the time a baby is 4 months old,” she said,

In this case, the relevant brainwave activity soared in response to the novel sounds among the children born to mothers who had remained sedentary during pregnancy. But it was noticeably blunted in the babies whose mothers had exercised. In essence, “their brains were more mature,” Ms. Labonte-LeMoyne said.

Pregnancy Workouts: Easy Beginner Exercises
Pregnancy Workouts: Easy Beginner Exercises
Pregnancy Workouts: Easy Beginner Exercises

 

Image: Fit pregnant woman, via Shutterstock

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Kids Less Fit Than Their Parents Were, Study Finds

Wednesday, November 20th, 2013

An international analysis of children’s fitness has revealed that today’s kids can’t run as far or as fast as their parents could at their age.  More from The Associated Press:

On average, it takes children 90 seconds longer to run a mile than their counterparts did 30 years ago. Heart-related fitness has declined 5 percent per decade since 1975 for children ages 9 to 17.

The American Heart Association, whose conference featured the research on Tuesday, says it’s the first to show that children’s fitness has declined worldwide over the last three decades.

‘‘It makes sense. We have kids that are less active than before,’’ said Dr. Stephen Daniels, a University of Colorado pediatrician and spokesman for the heart association.

Health experts recommend that children 6 and older get 60 minutes of moderately vigorous activity accumulated over a day. Only one-third of American kids do now.

‘‘Kids aren’t getting enough opportunities to build up that activity over the course of the day,’’ Daniels said. ‘‘Many schools, for economic reasons, don’t have any physical education at all. Some rely on recess’’ to provide exercise.

Sam Kass, a White House chef and head of first lady Michelle Obama’s Let’s Move program, stressed the role of schools in a speech to the conference on Monday.

‘‘We are currently facing the most sedentary generation of children in our history,’’ Kass said.

The new study was led by Grant Tomkinson, an exercise physiologist at the University of South Australia. Researchers analyzed 50 studies on running fitness — a key measure of cardiovascular health and endurance — involving 25 million children ages 9 to 17 in 28 countries from 1964 to 2010.

Image: Running feet, via Shutterstock

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Childhood Cancer Survivors May Face Later Heart Risks

Monday, November 18th, 2013

Children who undergo treatment for cancer may be at greater risk of developing heart disease later in childhood, as well as in adulthood, according to a new study presented to the American Heart Association.  Researchers recommended that pediatricians monitor heart health carefully in their patients who have undergone cancer treatments.  More from The New York Times:

Scientists have known for some time that survivors of childhood cancer are several times more likely to develop cardiovascular disease as adults, a result of the toll that lifesaving radiation and chemotherapy treatments can have on the heart. But the new study, presented at an American Heart Association conference over the weekend, is among the first to show that the risk is elevated while the survivors are still children.

The research looked at 319 boys and girls under the age of 18 who underwent chemotherapy treatments for leukemia or cancerous tumors. At the time of the study, the participants were a minimum of five years past the time of their diagnosis.

When the children were compared with 208 siblings of similar ages, the researchers found a nearly 10 percent decrease in arterial health and other signs of premature heart disease.

Image: Baby undergoing treatment, via Shutterstock

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