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10دي* Scientific News *
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  • منبع خبر : مهندس مهرناز جوان بخت (کارشناس ارشد نرم افزار / مدیر سایت پژوهش)

1. Moms' obesity in pregnancy is linked to lag in sons' development and IQ
Date:
December 23, 2019
Source:
Columbia University's Mailman School of Public Health
Summary:
A mother's obesity in pregnancy can affect her child's development years down the road, according to researchers who found lagging motor skills in preschoolers and lower IQ in middle childhood for boys whose mothers were severely overweight while pregnant. At age 7, the boys whose mothers were overweight or obese in pregnancy had scores 5 or more points lower on full-scale IQ tests. No effect was found in the girls.
2. Targeted screening could prevent one in six prostate cancer deaths
Date:
December 20, 2019
Source:
University College London
Summary:
The study modeled the harms and benefits of introducing four-yearly PSA screening for all men aged 55 to 69 versus more targeted checks for those at higher risk of the disease. The researchers concluded that the best approach would be to screen men at a slightly higher genetic risk - nearly half of men in that age group -- as this would have the biggest health benefit, preventing deaths from prostate cancer while minimizing unnecessary treatments for harmless tumors.
3. Improvements in vaccines against meningitis
Date:
December 20, 2019
Source:
University of Nottingham
Summary:
New research could lead to an improved vaccine to protect against the bacterium, Neisseria meningitides that causes sepsis and meningitis.
4. The drug, HU-308, lessens involuntary movements called dyskinesias, a side effect from years of treatment for Parkinson's disease
Date:
December 19, 2019
Source:
University of Technology Sydney
Summary:
A drug that provides the benefits obtained from medicinal cannabis without the 'high' or other side effects may help to unlock a new treatment for Parkinson's diseas
5. Light pollution can suppress melatonin production in humans and animals
Date:
December 19, 2019
Source:
Forschungsverbund Berlin
Summary:
Melatonin sets the internal clock. Researchers have analyzed data on the impact of light pollution on melatonin formation in humans and vertebrates. They found that even the low light intensities of urban skyglow can suppress melatonin production.
6. Long work hours at the office linked to both regular and hidden high blood pressure
Date:
December 19, 2019
Source:
American Heart Association
Summary:
Office workers who logged 49-plus hours on the job weekly were 70% more likely to have a hidden form of high blood pressure called masked hypertension, compared to people who work less than 35 hours per week. Masked hypertension is high blood pressure that doesn't appear during a regular blood pressure test at a medical visit and thus, often goes undetected.
7. Pregnancy hypertension risk increased by traffic-related air pollution  Findings give new insights into the connection between poor air quality, children's health, and mother's health
Date:
December 18, 2019
Source:
NIH/National Institute of Environmental Health Sciences
Summary:
A new report suggests that traffic-related air pollution increases a pregnant woman's risk for dangerous increases in blood pressure, known as hypertension.
  8. Obesity could affect brain development in children
Date:
December 18, 2019
Source:
University of Vermont
Summary:
New research found that obese children had a thinner pre-frontal cortex than normal weight children. The thinner cortex could be factor in the decreased executive function earlier studies observed among children with higher BMI. The new study confirmed that the obese subjects in the study had poorer working memory compared with normal weight children.
9. Saccharin derivatives give cancer cells a not-so-sweet surprise
Date:
December 18, 2019
Source:
American Chemical Society
Summary:
Saccharin received a bad rap after studies in the 1970s linked consumption of large amounts of the artificial sweetener to bladder cancer in laboratory rats. Later, research revealed that these findings were not relevant to people. And in a complete turnabout, recent studies indicate that saccharin can actually kill human cancer cells. Now, researchers have made artificial sweetener derivatives that show improved activity against two tumor-associated enzymes.
10. Can good sleep patterns offset genetic susceptibility to heart disease and stroke?
Date:
December 18, 2019
Source:
Tulane University
Summary:
A pioneering new study found that even if people had a high genetic risk of heart disease or stroke, healthy sleep patterns could help offset that risk.
11. HIIT timing matters for increasing fitness  60-second intervals with 60-second breaks are effective whereas 30-second ones and 120-second rests aren't
Date:
December 17, 2019
Source:
The Physiological Society
Summary:
High intensity interval training (HIIT) is only effective for improving fitness when performed at 60-second intervals, according to new research.
12. Breast cancer cells swallow a 'free lunch' of dietary fat particles from the bloodstream
Date:
December 12, 2019
Source:
Dartmouth-Hitchcock Medical Center
Summary:
A research team has previously shown that fatty particles from the bloodstream may boost the growth of breast cancer cells. They now show that through an unexpected mechanism not previously described in cancer cells, the fat particles bind to the breast cancer cell surface and are then taken into the cell, providing a large supply of fuel that drives proliferation of the cancer cells.
13. Eating more ketones may fight against Alzheimer's disease   Dietary intervention restores protective protein and decreases death rate in mice
Date:
December 9, 2019
Source:
Society for Neuroscience
Summary:
A ketone-supplemented diet may protect neurons from death during the progression of Alzheimer's disease, according to research in mice.
14. Women, exercise and longevity
Date:
December 7, 2019
Source:
European Society of Cardiology
Summary:
Women who can exercise vigorously are at significantly lower risk of dying from heart disease, cancer and other causes.
15. Root of childhood kidney cancer discovered   Pre-cancerous signatures found in healthy tissue point the way towards new treatment options
Date:
December 5, 2019
Source:
Wellcome Trust Sanger Institute
Summary:
A fundamental change in our understanding of the childhood kidney cancer Wilms' tumor is on the horizon, after the discovery of its earliest genetic root by scientists. By comparing genome sequences from normal kidney tissue and tumors, the team identified patches of normal-looking kidney tissue that in fact carried DNA changes that cause Wilms' tumor.
كلمات كليدي : خبر , دانش , علم , تحقیقات , معاونت پژوهش و فن آوری , بیمارستان بقیه الله الاعظم (عج)
 
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