Healthy #lifestyle and the risk of #Alzheimer dementia

Using data from the Chicago Health and Aging Project (CHAP; n = 1,845) and the Rush Memory and Aging Project (MAP; n = 920), we defined a healthy lifestyle score on the basis of nonsmoking, ≥150 min/wk moderate/vigorous-intensity physical activity, light to moderate alcohol consumption, high-quality Mediterranean-DASH Diet.. ..During a median follow-up of 5.8 years in CHAP and 6.0 years in MAP, 379 and 229 … Continue reading Healthy #lifestyle and the risk of #Alzheimer dementia

Repetitive negative #thinking is associated with #amyloid, tau, and cognitive decline

The Cognitive Debt hypothesis proposes that repetitive negative thinking (RNT), a modifiable process common to many psychological risk factors for Alzheimer’s disease (AD) may itself increase risk. We sought to empirically examine relationships between RNT and markers of AD, compared with anxiety and depression symptoms. ..RNT was associated with decline in global cognition (P = .02); immediate (P = .03) and delayed memory (P = … Continue reading Repetitive negative #thinking is associated with #amyloid, tau, and cognitive decline

Long-term dietary #flavonoid intake and risk of #Alzheimer disease and related dementias in the Framingham Offspring Cohort

Findings from existing prospective observational studies on the protective associations of flavonoid intake and the risk of Alzheimer disease and related dementias (ADRD) are inconsistent largely due to limitations of these studies.. ..Over an average follow-up of 19.7 y in 2801 participants (mean baseline age = 59.1 y; 52% females), there were 193 ADRD events of which 158 were AD. After multivariate and dietary adjustments, … Continue reading Long-term dietary #flavonoid intake and risk of #Alzheimer disease and related dementias in the Framingham Offspring Cohort

Neuroinflammation in Alzheimer’s Disease: Friend or Foe?

Neuroinflammation is part of the complex immune response within the central nervous system (CNS), whose details have been partially elucidated. The CNS immune response involves elements carried from the periphery and resident elements, mainly represented by glial cells. These cells drive neuroinflammation, which can be roughly defined as an articulated physiological response characterized by the production of a plethora of inflammatory mediators that alter the … Continue reading Neuroinflammation in Alzheimer’s Disease: Friend or Foe?

Efficacy and Safety of #Lanabecestat for Treatment of Early and Mild #Alzheimer Disease

Does lanabecestat, a potent inhibitor of the beta-site amyloid precursor protein–cleaving enzyme 1 (BACE1), slow the progression of early Alzheimer disease (AD) and mild AD dementia?.. ..Among 1722 DAYBREAK-ALZ patients, the mean (SD) age was 72.3 (7.0) years, and 1023 of 1722 (59.4%) were women. Both studies were terminated early after futility analysis. There were no consistent, reproducible dose-related findings on primary or secondary efficacy … Continue reading Efficacy and Safety of #Lanabecestat for Treatment of Early and Mild #Alzheimer Disease

NP03, a Microdose #Lithium Formulation, Blunts Early #Amyloid Post-Plaque Neuropathology in McGill-R-Thy1-APP Alzheimer-Like Transgenic Rats

Epidemiological, preclinical, and clinical studies have suggested a role for microdose lithium in reducing Alzheimer’s disease (AD) risk by modulating key mechanisms associated with AD pathology. The novel microdose lithium formulation, NP03, has disease-modifying effects in the McGill-R-Thy1-APP transgenic rat model of AD-like amyloidosis at pre-plaque stages, before frank amyloid-β (Aβ) plaque deposition, during which Aβ is primarily intraneuronal.. During the early Aβ post-plaque stage, … Continue reading NP03, a Microdose #Lithium Formulation, Blunts Early #Amyloid Post-Plaque Neuropathology in McGill-R-Thy1-APP Alzheimer-Like Transgenic Rats

The Risk of Head #Injuries Associated With Antipsychotic Use Among Persons With #Alzheimer’s disease

Antipsychotic use is associated with risk of falls among older persons, but we are not aware of previous studies investigating risk of head injuries. We studied the association of antipsychotic use and risk of head injuries among community dwellers with Alzheimer’s disease (AD) ..Antipsychotic use was associated with an increased risk of head injuries (event rate per 100 person‐years = 1.65 [95% confidence interval {CI} … Continue reading The Risk of Head #Injuries Associated With Antipsychotic Use Among Persons With #Alzheimer’s disease

Extra virgin #olive oil improves synaptic activity, short‐term plasticity, #memory, and neuropathology in a tauopathy model

In recent years, increasing evidence has accumulated supporting the health benefits of extra virgin olive oil (EVOO). Previous studies showed that EVOO supplementation improves Alzheimer’s disease (AD)‐like amyloidotic phenotype of transgenic mice.. ..At the end of the treatment, compared with control mice receiving EVOO displayed improved memory and cognition which was associated with increased basal synaptic activity and short‐term plasticity. This effect was accompanied by … Continue reading Extra virgin #olive oil improves synaptic activity, short‐term plasticity, #memory, and neuropathology in a tauopathy model

#Particulate matter and episodic #memory decline mediated by early neuroanatomic biomarkers of Alzheimer’s disease

Evidence suggests exposure to particulate matter with aerodynamic diameter <2.5 μm (PM2.5) may increase the risk for Alzheimer’s disease and related dementias.. ..Long-term PM2.5 exposure was associated with increased Alzheimer’s disease pattern similarity scores, which accounted for 22.6% (95% CI: 1% to 68.9%) and 10.7% (95% CI: 1.0% to 30.3%) of the total adverse PM2.5 effects on Trials 1–3 and List B, respectively. The observed … Continue reading #Particulate matter and episodic #memory decline mediated by early neuroanatomic biomarkers of Alzheimer’s disease

In Vivo Assessment of #Retinal Biomarkers by Hyperspectral Imaging: Early Detection of #Alzheimer’s Disease

..The retina is a developmental extension of the brain and has been viewed as a window to evaluate AD-related pathology. ..Described herein is the utilization of our retinal hyperspectral imaging (rHSI) technique as a biomarker for identification of AD-related early pathological changes in the retina The underlying principle is Rayleigh light scattering, which is expected from low-order Aβ aggregates present in early pathology ..The largest … Continue reading In Vivo Assessment of #Retinal Biomarkers by Hyperspectral Imaging: Early Detection of #Alzheimer’s Disease

#Antihypertensive medications and risk for incident #dementia and #Alzheimer’s disease: a meta-analysis of individual participant data from prospective cohort studies

..We assessed the association of incident dementia and clinical Alzheimer’s disease with use of five AHM classes, within strata of baseline high (systolic blood pressure [SBP] ≥140 mm Hg or diastolic blood pressure [DBP] ≥90 mm Hg) and normal (SBP <140 mm Hg and DBP <90 mm Hg) blood pressure. ..There were 3728 incident cases of dementia and 1741 incident Alzheimer’s disease diagnoses. In the … Continue reading #Antihypertensive medications and risk for incident #dementia and #Alzheimer’s disease: a meta-analysis of individual participant data from prospective cohort studies

Intact global #cognitive and #olfactory ability predicts lack of transition to #dementia

Odor identification deficits characterize Alzheimer’s disease and other dementias ..Smell Identification Test, which includes the 12-item Brief Smell Identification Test (B-SIT) ..In covariate-adjusted survival analyses, impairment on the Blessed Orientation Memory Concentration Test and B-SIT each predicted dementia (n = 109), primarily Alzheimer’s disease (n = 101). Among participants with intact olfactory (B-SIT ≥ 11/12 correct) and cognitive (Blessed Orientation Memory Concentration Test ≤ 5/28 … Continue reading Intact global #cognitive and #olfactory ability predicts lack of transition to #dementia