Gum disease may be linked to higher rates of stroke caused by hardened and severely blocked arteries, preliminary research findings indicate.

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Vitamin C administration shortened the duration of mechanical ventilation in critical care patients, but the effect depended on the severity of illness.
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(HealthDay)—Valentine’s Day is a great opportunity to shower your loved one with gifts, but some may do more harm than good.
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(HealthDay)—For women undergoing in vitro fertilization (IVF), use of cryopreserved versus fresh donor oocytes is associated with marginally, but statistically significant, lower odds of a good perinatal outcome, according to a study published online Feb. 6 in Obstetrics & Gynecology.
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Stroke survivors who speak Spanish are more likely to have low stroke literacy and a negative perception of their health care, according to a new study that called for breaking down language barriers.
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(HealthDay)—During 2010 to 2017, there were 5,009 travel-associated and 378 locally acquired confirmed or probable dengue virus cases in the United States, according to research published in the Feb. 14 issue of the U.S. Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report.
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(HealthDay)—For treatment of latent tuberculosis infection (LTBI), short-course rifamycin-based regimens are preferred over longer-course isoniazid monotherapy, according to guidelines published in the Feb. 14 issue of the U.S. Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report.
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iomedical engineers from Duke University have demonstrated that, despite significant advancements in protection from ballistics and blunt impacts, modern military helmets are no better at protecting the brain from shock waves created by nearby blasts than their World War I counterparts. And one model in particular, the French Adrian helmet, actually performed better than modern designs in protecting from overhead blasts.
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Alzheimer’s disease (AD) is a progressive neurodegenerative disorder characterized by amyloid-β (Aβ) fibrillation and plaque formation. While more than 50 million people are devastated by AD, no treatment is available. Recently, anti-Aβ antibody-based immunotherapy has failed in clinical trials, partially due to the increased cytotoxicity of soluble Aβ oligomers. Therefore, developing a medication for AD treatment becomes an even more important challenge.
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What clues does our memory use to connect a current situation to a situation from the past? The results of a study conducted by researchers from the University of Geneva (UNIGE), Switzerland—working in collaboration with CY Cergy Paris University in France—contrast sharply with the explanations found until now in the existing literature. The researchers have demonstrated that similarities in structure and essence (the heart of a situation) guide our recollections rather than surface similarities (the general theme, for example, or the setting or protagonists). It is only when individuals lack sufficient knowledge that they turn to the surface clues—the easiest to access—to recollect a situation. These results, published in the journal Acta Psychologica, are particularly relevant in the field of education. They underline the need to focus on the conceptual aspects of situations that are tackled in class to help pupils make use of the relevant features, and not to be misled by apparent similarities.
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