A new study from Karolinska Institutet in Stockholm suggests that high calcium levels in the bloodstream increase the risk of developing coronary artery disease (CAD) and heart attack.
For the study, the researchers analyzed publicly available data collected from 184,305 persons, 60,801 of whom had been diagnosed with CAD. Among these 60,801 individuals, 70% also experienced a heart attack. The scientists discovered that a higher risk of CAD and heart attack was linked to a genetic predisposition to a higher calcium concentration in blood.
Dr. Susanna C. Larsson, the author of the study, says: “Whether the risk of CAD associated with lifelong genetic exposure to increased serum calcium levels can be translated to a risk associated with short-term to medium-term calcium supplementation is unknown.”
Researchers from 12 institutions, including George Washington University School of Medicine and National Jewish Health, examined more than 25 studies in order to understand which diets were the most heart healthy. Their findings were published in the Journal of the American College of Cardiology.
Having analyzed the foregoing studies that in total included tens of thousands of participants, the scientists discovered that the most heart-healthy diet should include extra-virgin olive oil, antioxidant-rich berries, leafy greens, plant-based proteins, nuts (in moderation), and lean meats. The study authors recommend limit or eliminate coconut and palm oils, and eggs in order to cut down on cholesterol.
Dr. Andrew Freeman, Director of Cardiovascular Prevention and Wellness at National Jewish Health in Denver, US, explains: “Dietary requirement haven’t really changed. The diet that is the most cardioprotective is mostly plant based… predominantly fruits, vegetables, whole grains, and limited amounts of animal products if any.”
A new Canadian study suggests that men might be under the increased risk of heart attack after major snowstorms due to snow shoveling.
The scientists compared periods with and without great snowfalls and found that men were 16% more likely to have a heart attack and 34% more likely to die from the condition.
Previous studies have associated snow shoveling to the increased risk of heart attacks after snow storms. The current study provides a fresh insight into this connection having examined several decades of health data for patients hospitalized in Quebec, Canada.
Lead study Author Dr. Natalie Auger from the University of Montreal says: “We found that both the quantity and duration of snowfall were associated with an increased risk of heart attack for men but not women.”
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