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Researchers try to unknot Alzheimer's protein tangles

Conclusion There's a tendency when scientists announce a breakthrough in our understanding of a disease to immediately start thinking about whether this could lead to a cure. While the ultimate aim of research into Alzheimer's disease is of course to be able to prevent or treat it, early research like this is more about understanding the disease mechanisms. This piece of research demonstrates how a new technique can be used to identify the molecular structure of abnormal protein deposits in the brain. That's a big step forward for use of this technology, which may be useful for other diseases, too. The causes of Alzheimer's disease still aren't well understood. The brain is complex. Tangles of tau protein may be an important part of the development of Alzheimer's disease – but we don't know whether stopping the spread of tau tangles would halt the memory problems and mental decline characteristic of the disease. While we can celebrate this advance as a scientific breakthrough in our understanding of Alzheimer's disease, we need to be patient about the chances of a cure. Until then, while there's no guaranteed way of preventing Alzheimer's, the following may help lower your risk of developing the condition: stopping smoking not drinking large amounts of alcohol eating a healthy, balanced diet, including at least five portions of fruit and vegetables every day exercising for at least 150 minutes (2.5 hours) every week staying mentally active Read more about...
Source: NHS News Feed - Category: Consumer Health News Tags: Neurology Source Type: news

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Fight Aging! provides a weekly digest of news and commentary for thousands of subscribers interested in the latest longevity science: progress towards the medical control of aging in order to prevent age-related frailty, suffering, and disease, as well as improvements in the present understanding of what works and what doesn't work when it comes to extending healthy life. Expect to see summaries of recent advances in medical research, news from the scientific community, advocacy and fundraising initiatives to help speed work on the repair and reversal of aging, links to online resources, and much more. This content is...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
Abstract The aims of this review are: 1) to describe which cholinergic neurons are affected in brain neurodegenerative diseases leading to dementia; 2) to discuss the possible causes of the degeneration of the cholinergic neurons, 3) to summarize the functional consequences of the cholinergic deficit. The brain cholinergic system is basically constituted by three populations of phenotypically similar neurons forming a series of basal forebrain nuclei, the midpontine nuclei and a large population of striatal interneurons. In Alzheimer's disease there is an extensive loss of forebrain cholinergic neurons accompanied...
Source: Brain Research - Category: Neurology Authors: Tags: Brain Res Source Type: research
Conclusion My 23andMe reports were highly informative to read. Much more than mere test results, I learned a lot about rare genetic disorders and about the genetic profiling process. Whether or not you have any background or interest in science, there’s a lot of cool educational material here. Now, as for whether or not this service is appropriate for you depends on your intentions. If you simply want to learn more about genetics, health, or medicine in a very personal way, 23andMe is awesome. It’s the ultimate science experiment that demonstrates in a great way the capabilities of genomics, and,...
Source: Medgadget - Category: Medical Devices Authors: Tags: Exclusive Genetics Source Type: blogs
arracín SL Abstract Neurodegenerative conditions such as Alzheimer's disease, Parkinson's disease and amyotrophic lateral sclerosis are characterized by having a significant increase in oxidative stress that can lead to the cellular damage of both neurons and astrocytes. Therefore, the search for molecules that can modulate oxidative stress in these diseases has recently gain interest, especially for those non-traditional antioxidants that can be gained from diet. In the present work, pulp and seed extracts from the fruit of the palm, Bactris guineensis were obtained by hydro-alcoholic solution and by a sol...
Source: Food and Chemical Toxicology - Category: Food Science Authors: Tags: Food Chem Toxicol Source Type: research
Conclusion This early stage experimental research has demonstrated a beneficial neurological effect of trazodone and dibenzoylmethane on mice with diseases mimicking neurodegenerative diseases. It is important to acknowledge that this is animal research and therefore the drugs might not have the same effect when they are trialled on humans. That being said, trazodone is already an approved drug for depression and sleep problems and has therefore already passed safety tests. If the mechanisms of neurodegeneration in humans and mice are similar, it is possible trazodone could be used in the future in treating Alzheimer's and...
Source: NHS News Feed - Category: Consumer Health News Tags: Older people Neurology Medication Source Type: news
Conclusions:The prevalence of dementia and its subtypes in Greece is similar or at the lower range of that reported in many other European countries and globally. In our sample, increased age and decreased level of education status, but not gender, were predictive of a diagnosis of dementia with age being the strongest predictive factor.Study Supported by:Funding/Support: IIRG-09-133014 from the Alzheimer’s Association; 189 10276/8/9/2011 from the ESPA-EU program Excellence Grant (ARISTEIA) which is co-funded by the European Social Fund and Greek National resources; and Y2β/o.51657/14.4.2009 from the Ministry fo...
Source: Neurology - Category: Neurology Authors: Tags: Aging and Dementia: Epidemiologic Studies Source Type: research
Authors: Chen CH, Joshi AU, Mochly-Rosen D Abstract Aldehydes-induced toxicity has been implicated in many neurodegenerative diseases. Exposure to reactive aldehydes from (1) alcohol and food metabolism; (2) environmental pollutants, including car, factory exhausts, smog, pesticides, herbicides; (3) metabolism of neurotransmitters, amino acids and (4) lipid peroxidation of biological membrane from excessive ROS, all contribute to 'aldehydic load' that has been linked to the pathology of neurodegenerative diseases. In particular, the α, β-unsaturated aldehydes derived from lipid peroxidation, 4-hydroxynon...
Source: Acta Neurologica Taiwanica - Category: Neurology Tags: Acta Neurol Taiwan Source Type: research
Conclusions Self-reported frequent sleep disturbance in middle-aged men may relate to the development of dementia in later life. Having an APOE 4 genotype did not affect the relationship.
Source: Journal of Epidemiology and Community Health - Category: Epidemiology Authors: Tags: Smoking and tobacco, Alcohol, Health education, Health promotion, Smoking Research reports Source Type: research
Neurological imbalances can show up as psychological, behavioral, and motivational problems. If we try to treat these problems at the psychological or behavioral levels, however, we can’t effectively cure them because the problems have physical causes, such as a buildup of toxicity in the brain. It’s my opinion that a wide swath of personal development advice, such as having to get control of your thoughts and feelings, is completely unnecessary and largely counter-productive. If we solve the problem at a physical level, our brains will perform intelligently enough to render such well-meaning advice useless. In...
Source: Steve Pavlina's Personal Development Blog - Category: Psychiatry & Psychology Authors: Tags: Emotions Health Productivity Source Type: blogs
Dementia describes a group of symptoms and is not a disease. Alzheimer's is a disease that evidences symptoms of dementia.Alzheimer's Reading RoomOne of the most frequently asked questions I receive (FAQ) is,What is the Difference Between Alzheimer ’s and DementiaSome believe Alzheimer's is worse than dementia. Some people use the words interchangeably (like me). This of course is the source of much of the confusion about how dementia and Alzheimer's differ.Let's get right to it.Touch and Kindness in Dementia CareBy Bob DeMarcoAlzheimer's Reading RoomSubscribe to the Alzheimer's Reading RoomWhen you to the grocery st...
Source: Alzheimer's Reading Room, The - Category: Neurology Tags: alzheimers care alzheimers caregiving dementia help for caregivers difference between alzheimers and dementia family caregiving help alzheimer's help with dementia Source Type: blogs
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