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Anybodywith brothers and sisters knows that it can sometimes be a complicated relationship. A shared eminence can bring you closer, but it can also be a source of friction. And now, there are also evidence suggesting that your brothers and sisters can also affectYour heart healthLet us not speak figuratively, either. According to a new study published in the medical newspaperBMJ Open, the number of brothers and sisters you have and where you fall into the family range - can make you more likely to have a heart attack or another cardiovascular event. As researchers note: "The number and order of rank brothers and sisters could be important forRisk of cardiovascular disease and mortality. "For the whole story of this emerging connection between the size of the family and your heart, read it.

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The large-scale study, which was conducted outside Sweden, examined data on 1.36 million men and 1.32 million women born between 1932 and 1960 from the several generation register in Sweden in 1990 , then examinedFatal and non-fatal cardiac dispense data Among them for the next 25 years. What researchers found was that men with one or two siblings had a lower risk of cardiovascular events than children. However, you can have too much good thing, see that those with four siblings or more had a higher risk.

Similarly, compared to other people without siblings, women with three brothers and sisters had an increased risk of cardiovascular events and those with two or more siblings had an increased risk of coronary events. .

The researchers have discovered that children first born are less inclined to heart attacks and non-fatal heart traits than their born brothers and sisters later. "To be born is associated with a favorable effect on non-fatal cardiovascular and coronary events for men and women," conclude the authors of the study.

Risk of coronary heart disease Increased birth order, a higher risk of 23% for men who were fifth and 22% of fifth-born women, webmd reports.

Author of the studyPeter nilsson, MD, PhD, Professor of Clinical Cardiovascular Research at Lund University in Sweden, said WebMD that the findings show that, in addition to genetics, social dynamics and early influences can play a role in your heart. The reduced risk of undergraduate brothers and sisters, Nilsson said, could be because new parents tend to be hyper-concentrated on the well-being of their first child before getting new babies. "Parents are trying to supervise everything, but the third and fourth born have less supervision, so they could tend to smoke more, drink more than the first born," he said, citing behaviors that could finally Assign their health.

In addition to the increased attention, Nilsson has toldTelegraph, "Be afirstborn means that you are expected behave more properly and avoid bad things (overuse of alcohol, drugs, tobacco). "

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There was also a model when researchers examined mortality. Women with at least one brother brother had a lower death risk, while men with two or more sisters have done it.

Men first born had a higher mortality risk than the siblings born in second or third, while the senior births had a higher risk of death than the siblings of secondborn, but Their risk was equal to brothers and sisters.

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Whereas the new study was observational, the authors can not attribute a final reason for why large families appeared to be related to more heart-related diseases. And while the Swedish data did not include the lifestyle factors that could play a role in the health of the topics studied, such as smoking and eating habits, they consider that socio-economic status, obesity, diabetes, Chronic pulmonary disease (COPD) and alcoholism and liver disorders that can come with it. Nilsson told the line of ones that, if the conventional heart health risk factors are of utmost importance, "the history of the family still plays a very important role."

"More research is needed to understand the links between brother's brother's number and rank with health outcomes," written the authors in their report. "Future research should be addressed to find biological or social mechanisms linking the status of being born first to reduce the risk of cardiovascular disease."

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