Category Archives: Psychiatry/Neurology

Metformin Use Is Associated With Slowed Cognitive Decline and Reduced Incident Dementia in Older Adults With Type 2 Diabetes

Metformin Use Is Associated With Slowed Cognitive Decline and Reduced Incident Dementia in Older Adults With Type 2 Diabetes: The Sydney Memory and Ageing Study Katherine Samaras, Steve Makkar, John D. Crawford, Nicole A. Kochan, Wei Wen, Brian Draper, Julian … Continue reading

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Is Particulate Matter of Air Pollution a Vector of Covid-19 Pandemic?

Summary
The COVID-19 pandemic is a severe respiratory disease caused by the emergence of a new coronavirus, SARS-CoV-2, that very quickly spread in the human population. Fine particulate matter (PM) generated from combustion engines have been described as toxic to human health. Recent events stressed that high concentrations of PM of air pollution might favor the spread of SARS-CoV-2. Autumn approaches, air pollution will be accentuated because of weather condition. The risk of a second outbreak of Covid-19 pandemic is highly probable. Elucidating the role of PM of air pollution in the spread of the virus is thus urgent and crucial. Continue reading

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A critical review of the influence of oxytocin nasal spray on social cognition in humans: Evidence and future directions

A critical review of the influence of oxytocin nasal spray on social cognition in humans: Evidence and future directions Adam J.GraustellaaColinMacLeodb Show more https://doi.org/10.1016/j.yhbeh.2012.01.002Get rights and content Referred to by Adam J. Guastella, Colin MacLeod Erratum to “A critical review … Continue reading

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Feeling dead tired? Scientists may finally be on the verge of learning why too little sleep is inevitably fatal.

Inside a series of tubes in a bright, warm room at Harvard Medical School, hundreds of fruit flies are staying up late. It has been days since any of them have slept: The constant vibrations that shake their homes preclude rest, cling as they might to the caps of the tubes for respite. Not too far away in their own tubes live other sleepless flies, animated with the calm persistence of those consigned to eternal day. A genetic tweak to certain neurons in their brains keeps them awake for as long as they live. Continue reading

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Efficacy and Safety of Tremella fuciformis in Individuals with Subjective Cognitive Impairment: A Randomized Controlled Trial

The efficacy and safety of Tremella fuciformis (TF) as a nutritional supplement were assessed in individuals with subjective cognitive impairment (SCI). Seventy-five individuals with SCI were enrolled in an 8-week, randomized, double-blind, placebo-controlled trial of TF (600 mg/day, n = 30 or 1200 mg/day, n = 30) or placebo (n = 15). The primary outcome measure was changes in total scores of the subjective memory complaint questionnaire. The secondary outcome measures were changes in performance on short-term memory and executive functions, which were assessed using standardized cognitive tests. In addition, voxel-based morphometry was performed to examine the effects of TF on changes in gray matter volume. The individuals in the TF group showed greater improvements in the total scores on the subjective memory complaint questionnaire compared with those in the placebo group. There were also significantly greater improvements in short-term memory and executive functions in the TF group relative to the placebo group. Exploratory analysis demonstrated that there were significant group-by-visit interactions on the left precuneus, right supramarginal gyrus, right middle frontal gyrus, and right postcentral gyrus at corrected P < .05. Overall frequency of adverse events did not differ among high-dose TF (40.4%), low-dose TF (35.1%), and placebo groups (41.4%). The current findings suggest that TF could be safely administered to relieve subjective memory complaints and enhance cognition in individuals with SCI. Continue reading

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Maurice Preter, MD

Maurice Preter, MD is a European and U.S. educated psychiatrist, psychotherapist, psychopharmacologist, neurologist, and medical-legal expert in private practice in Manhattan. He is also the principal of Fifth Avenue Concierge Medicine, PLLC, a medical concierge service and health advisory for select individuals and families.