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Biomarkers and Aging in the News

Avoid these 'ultraprocessed' foods and you might live longer
A study published Monday revealed an alarming statistic: Eating a lot of unhealthy, "ultraprocessed" foods may shorten your life. Specifically, researchers found that a 10% increase in the consumption of ultraprocessed foods was significantly associated with a 14% higher risk of death from all causes.
13 Feb 2019 at 6:23pm

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Photoelectrical imaging and coherent spin-state readout of single nitrogen-va...

Nitrogen-vacancy (NV) centers in diamond have become an important instrument for quantum sensing and quantum information science. However, the readout of NV spin state requires bulky optical setups, limiting fabrication of miniaturized compact devices for practical use. Here we realized photoelectrical detection of magnetic resonance as well as Rabi oscillations on a single-defect level. Furthermore, photoelectrical imaging of individual NV centers at room temperature was demonstrated, surpassin...

14 Feb 2019 at 1:37pm

Two-dimensional magnetic crystals and emergent heterostructure devices

Magnetism, originating from the moving charges and spin of elementary particles, has revolutionized important technologies such as data storage and biomedical imaging, and continues to bring forth new phenomena in emergent materials and reduced dimensions. The recently discovered two-dimensional (2D) magnetic van der Waals crystals provide ideal platforms for understanding 2D magnetism, the control of which has been fueling opportunities for atomically thin, flexible magneto-optic and magnetoele...

14 Feb 2019 at 1:37pm

The human gut bacterial genotoxin colibactin alkylates DNA

Certain Escherichia coli strains residing in the human gut produce colibactin, a small-molecule genotoxin implicated in colorectal cancer pathogenesis. However, colibactin’s chemical structure and the molecular mechanism underlying its genotoxic effects have remained unknown for more than a decade. Here we combine an untargeted DNA adductomics approach with chemical synthesis to identify and characterize a covalent DNA modification from human cell lines treated with colibactin-producing E....

14 Feb 2019 at 1:37pm

Guys, Can You Give Us 40? It May Show Heart Health
Men in their 40s who can do more than 40 push-ups at a time have a 96 percent reduced risk of heart attack, stroke and heart disease compared with men who did 10 or fewer.
15 Feb 2019 at 1:15pm

Osteoporosis Often Missed in Elderly Men
Osteoporosis is a serious condition for men, too. After breaking a hip, the risk of illness and death is greater among men than women, researchers said.
15 Feb 2019 at 1:15pm

1 Hour of General Anesthesia Safe for Infants
Among more than 700 infants in seven countries, the researchers didn't find any measurable neurodevelopmental or behavioral problems up to the age of 5.
15 Feb 2019 at 9:15am

Teen Weight Loss Surgery Gaining Acceptance
Twenty years ago, weight loss surgery for teenagers was seen as a risky last resort. But today, many doctors say that for some, the benefits outweigh the risks.
14 Feb 2019 at 5:09pm

Could Diet Sodas Raise Older Women's Stroke Risk?
Women who drank two or more diet drinks per day saw their overall stroke risk rise by 23 percent, compared with those who had diet drinks less than once a week.
14 Feb 2019 at 9:18am

Does Bullying Start at Home?
Bullying was more likely to occur in families with three or more children, and the eldest child or older brothers were more often the bullies. Female children and younger children were more often targeted.
14 Feb 2019 at 9:15am

Teen Pot Use Raises Later Suicide Risk
Not only were those who smoked marijuana more likely to suffer depression and suicidal thoughts, they were also more than three times as likely to attempt suicide between the ages of 18 and 32.
13 Feb 2019 at 1:15pm

New Mammogram Screening Guidelines FAQ
The U.S. Preventive Services Task Force is recommending that women who aren't at high risk of breast cancer start getting mammograms at age 50, a decade later than previously recommended. Experts answer questions about the new mammogram guidelines.
13 Feb 2019 at 10:37am

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