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Bar-Ilan University Online Newsletter
Newsletter No. 3, June 2016

Desalinated Water: A Health Hazard?

Underscoring the risk of consuming desalinated water devoid of magnesium, BIU Prof. Yona Amitai, a public health expert, recommends adding the mineral to drinking water in order to thwart fatal heart disease.

Drinking Desalinated WaterWarning: Consuming desalinated water may be hazardous to your heart!

That, in fact, is the conclusion of a joint Israeli study conducted by researchers from BIU and Sheba Medical Center (Tel Hashomer). “In recent years, as desalinated water has begun to be widely used, there has been a higher death rate in hospitals in desalinated-water areas than in those in other regions,” explains Prof. Yona Amitai of the BIU Dept of Management, noting that no significant difference between death rates in these hospitals existed prior to the use of desalinated water. The study is a part of a PhD thesis by Meital Shlezinger.

For Israel, a global leader in the desalination of seawater (DSW) that news is the cause for some genuine concern. DSW accounts for about 70% of the drinking water consumption among Israelis. That means that a significant swath of the local population is drinking tap water with very low magnesium (Mg) content, which can cause adverse health effects, and even increase risk for heart diseases and risk for death.

Presenting at the recent Environment and Health Fund Conference in Tel Aviv, Amitai delineated the importance of magnesium to human health and the implications for sea water desalination.

Yona AmitaiReferring to the World Health Organization Report on Drinking Water (2009), he explained that Mg is critical for energy production, the synthesis of proteins and nucleic acids, the regulation of vascular tone, and for insulin sensitivity. A deficiency in magnesium means a high risk for hypertension, cardiac arrhythmias, atherosclerosis, diabetes, and colon cancer. While the optimal daily Mg intake is 300 (woman) – 410 mg (man), Israelis, on the average, only ingest between 228-270 mg per day. He quoted the WHO Guidelines for Drinking-Water Quality (2011), which states that the contents of magnesium in drinking water may contribute to the daily intake of Mg, and is mostly important for those who have marginal Mg intake. “The WHO recommendation to consider adding Mg to the desalinated seawater has tremendous implications for Israel,” emphasized Amitai, noting that the Israeli Ministry of Health has recommended adding Mg to desalinated seawater at 20-30 mg/L.

Notwithstanding the high costs and the possible corrosion of water pipelines, Amitai believes that the benefits (including increased Mg content in produce and improved crop production) outweigh the disadvantages. “Given the increased use of DSW in Israel and the detrimental health effects from low water Mg content (i.e. death toll of over 500 people per year), the decision on adding Mg should not be delayed.”

Postscript: Following the Israeli media’s report on the BIU research, Prime Minister Benjamin Netanyahu recently directed the Health Ministry to proceed with the pilot plan to add magnesium to desalinated water.

Also in this issue:

President's Message -
Sowing the Seeds and Gleaning the Fruits »

First Class of Doctors Graduates from School of Medicine

Bar-Ilan University's first graduating class of 48 medical students receives MD degrees from the School of Medicine in the Galilee. The 25 women and 23 men, including five Arab students, began their medical studies in universities abroad and returned home to Israel to complete the clinical component of their training.

read more »

Rapid and Accurate Diagnosis for Heart Attacks

Since joining BIU's School of Engineering in 2014, Dr. Amos Danielli is exploring new medical applications for the novel technology he developed, which can help shorten diagnosis time for heart patients

 read more »

 

BIU Awarding-Winning Scholars Make Headlines

Two BIU academicians recently received prestigious prizes. Prof. Yossi Katz, an expert in historical geography, was awarded Israel's highest accolade; and Jewish History Prof. Adam Ferziger won the 2015 National Jewish Book Award.

 read more »

 

Haredi Integration into Education and the Workforce

Enrollment is surging in Haredi academic programs designed to ease integration into the Israeli workplace. But the dropout rate is huge. This was one of the revelations at the recent BIU conference sponsored by BIU's Haredi campus that drew some 100 Haredi social activists, reps of academic and business institutions, Knesset members and media figures to gauge the status of Haredi integration into education and the workforce.

 read more »

 

Scholars and Sources:
Appreciating the Science Behind Miracles

Do miracles require a supernatural tour de force or are they often a matter of Divine "timing"? Chemistry Prof. Aryeh Frimer explores the phenomenon from a Torah and science perspective.

 read more »

 
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