Silent Ischemia Poses A Threat To The Heart

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Courtesy of PRWeb and Harvard Health Publications, please share your comments below. This article is from May, but still has good information in it.

healthyheartWhen the heart temporarily gets less blood than it needs, it’s known as cardiac ischemia. Often the result of clogged heart arteries, ischemia can cause chest pain (angina).

Poor blood flow to the heart during exercise, stress, or other times when the heart works harder can cause the chest pain known as angina. This pain may be centered in the chest, or it may spread to the shoulders, arms, neck, or jaw. Sometimes, though, there’s no pain at all. This condition, called silent ischemia, is surprisingly common, according to the May 2015 Harvard Heart Letter.

Ischemia comes from a Latin term that means “stopping blood.” It occurs when something, usually a coronary artery narrowed by cholesterol-laden plaque, fails to deliver enough oxygen-rich blood to part of the heart muscle when the heart needs to work harder.

“People with heart disease may have five to 10 times as many episodes of silent ischemia as symptomatic ischemia,” says Dr. Peter Stone, a professor of medicine at Harvard Medical School and director of the vascular profiling research group at Brigham and Women’s Hospital.

Ischemia — whether it’s painful or not — raises the risk of heart attack, especially in people who have high blood pressure or other factors that stress the heart. Things that can trigger silent ischemia or angina include:

* walking outside briskly on a cold, windy, or humid day

* hurrying with a heavy load

* exerting yourself after a heavy meal

* working under a deadline

* speaking in public

* engaging in sexual activity

* being worried, tense, or angry.

Detecting silent ischemia can be a challenge. It is often discovered during a stress test to check for possible heart disease.
Several types of medication are used to treat ischemia. These include beta blockers, which lower the heart’s workload; calcium-channel blockers and nitrates, which improve blood flow by widening coronary arteries; and ranolazine (Ranexa), which also improves blood flow to the heart muscle.

Read the full-length article, “Angina and its silent cousin”

Also in the May 2015 issue of the Harvard Heart Letter:

* Life’s “Simple 7”: Ways to improve cardiovascular health

* The downside of too much sitting

* Weight-loss drugs and your heart

The Harvard Heart Letter is available from Harvard Health Publications, the publishing division of Harvard Medical School, for $20 per year. Subscribe at http://www.health.harvard.edu/heart or by calling 877-649-9457 (toll-free).

Kids’ Obesity A Global Threat

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From Your Health Journal…..”The Toronto Sun has some amazing articles, including the one being reviewed here today about childhood obesity. Please visit The Sun’s site to read many great articles. This article discusses obesity in Canada, where according to the Childhood Obesity Foundation, 1.6 million Canadian children are considered overweight or obese. Reports have shown that obesity has overtaken hunger as a larger global threat. Data from reports have also shown the last 20 years showed a worldwide 82% increase in obesity – meaning an increase in diseases such as early type 2 diabetes, heart and circulatory disease. Not only does this data apply to Canada, but worldwide. Please visit The Sun’s web site (listed below) to read the complete article.”

From the article…..

Are your kids too chubby? According to the Childhood Obesity Foundation, 1.6 million Canadian children are considered overweight or obese. And we are not alone. A recent report, called the Global Burden of Disease, indicated that obesity has overtaken hunger around the world as the biggest threat to global health. So now that the holiday cookies have all been eaten, it’s time to get kids on track nutritionally.

The above-mentioned report which compared data from the last 20 years showed a worldwide 82 % increase in obesity – meaning an increase in diseases such as early type 2 diabetes, heart and circulatory disease as well as other ailments caused by carrying too much weight.

The good news is that obesity can be prevented, says Dr. Jonathan Maguire, a pediatrician at St. Michael’s Hospital in Toronto, who is involved in a massive research study called TARGet Kids! The program (a collaborative effort between his hospital, Toronto’s Hospital for Sick Children, and various participating children’s clinics) follows children from birth with the aim of understanding and preventing common problems that can impact their health later on.

“We know that children who are obese are likely to be adolescents who are obese and adults who are obese. We know that obesity can be prevented, but we don’t know much about how to do that,” says Dr. Maguire, adding that diets just don’t work. “If we can understand why one child becomes obese and another child does not, maybe we can develop tools and interventions to keep kids from being obese before it starts.”

Already, 5,500 Canadian children are involved in the program (check it out at www.targetkids.ca) which is studying not only obesity but also iron deficiency, and the impact of vitamin D on colds and asthma in kids. Early results on the study’s obesity arm have already shown that screen time is associated with the development of obesity in kids: Limiting TV and computer time is a step that parents can take to help their kids, Dr. Maguire says.

To read the full article…..Click here