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Translate from N Engl J Med 2020; 382:644-654

After conducting an updated systematic review and meta-analysis of the association between sleep and all-cause cognitive impairment, the authors of the article Journal of Neurology, Neurosurgery & Psychiatry 2020;91:236-244 came to the following conclusions

In a new study with nearly 3000 people, those with diabetic retinopathy were 60% more likely than others with diabetes to develop an incident stroke over time. Investigators also found that addressing glucose, lipids, and blood pressure levels did not mitigate this risk in this secondary analysis of the ACCORD Eye Study.

Studies examining the health risks of consuming red and processed meats have yielded conflicting results, yet current US dietary guidelines recommend limiting the intake of these foods to one serving per week.

A small but significant increase in the risk for death by suicide occurs in the months immediately following diagnosis of specific neurologic disorders, results of a large, population-based study of more than 7 million individuals show.

Studies focusing attention on the effects of environmental pollution on the etiology of multiple sclerosis (MS) are on the increase. The aim of this study was to determine MS prevalence in a city home to an iron and steel factory which causes air pollution.Methods: The study was designed as a cross-sectional, population-based, descrip-tive...

Observational epidemiological studies have reported a relationship between coffee intake and risk of stroke. However, evidence for this association is inconsistent and it remains uncertain whether the association is causal or due to confounding or reverse causality.

A neural marker for migraine without aura has been identified on functional magnetic resonance imaging (fMRI), which could become a tool to help in the diagnosis of the condition.

Unrecognized demyelinating events often precede the clinical onset of multiple sclerosis (MS). Identification of these events at the time of occurrence would have implications for early diagnosis and the search of causal factors for the disease.

A recent study by John O'Brien and colleagues focused on biomarker validation of the Cardiovascular Aging and Dementia (CAIDE) risk score in people at risk of dementia. The CAIDE score estimates 20-year dementia risk at midlife on the basis of eight variables - age, sex, education, systolic blood pressure, BMI, cholesterol level, physical activity...