Aging And Young Blood - 944 Words

Aging is an important factor that impairs humans’ brains structurally and functionally thus leads to cognitive disorders which negatively affect elder people’s normal life. Previous studies have shown that exposing aged animals to young blood can enhance stem cell function in various organs such as liver and brain. Inspired by these studies, Villeda and co-researchers want to find out if exposure to young blood can counteract age-related impairments and enhance aged brains. In Young blood reverses age-related impairments in cognitive function and synaptic plasticity in mice, Villeda and co-researchers work with mice to study the effects of exposure to young blood on the aged mice’s brains. Villeda’s research focuses on the hippocampus, a†¦show more content†¦They then use Golgi analysis to assay for the structural changes that regulate synaptic plasticity in hippocampi of the two groups of parabionts. The result shows that exposure to young blood increases the number of dendritic spine in the aged DG of heterochronic parabionts compared to isochronic parabionts but does not affect dendritic complexity. Next, they address functional changes in the hippocampi with extracellular electrophysiological recordings of field population spikes on hippocampus slices. The calculated long-term potentiation (LTP) values of heterochronic parabionts, which reflect learning and memory abilities, remain above baseline level, while isochronic parabionts’ LTP values reach baseline level later. Synaptic strength shows no difference between the two groups. Villeda and co-researchers suggest that exposure to young blood improves synaptic plasticity level in aged hippocampi. To prove the decline of learning and memory abilities of aged mice and verify the enhancement at functional level caused by exposure to young blood, Villeda and co-researchers set up two cognitive testings, contextual fear conditioning and radial arm water maze (RAWM). T he unpaired aged mice are divided into two groups, with one group injected with young plasma and the other injected with agedShow MoreRelatedEssay On Aging1000 Words   |  4 PagesYoung blood reverses cognitive function and synaptic plasticity in aging Aging causes structural and functional changes in brain. As aging population has become a burden, it is essential to study aging brain aiming to maintain cognitive integrity. Previous studies indicated that young blood improves the function of stem cells in organs including brain by heterochronic parabiosis model. However, data is lacking whether regeneration or beyond occurs by this model. The authors Villeda et al., hypothesizedRead MoreThe Fountain Of Health : A Disease Caused By Degeneration Of Your Brain962 Words   |  4 Pagesinjecting a young humans blood, which is someone who is very young and healthy, into someone who is old who is having issues and although some may argue that this isn’t ethical nor correct I believe that swapping young blood for old, to reverse aging should be allowed. First of all once people enter the aging process they also enter a point in their lives where they will be prone to many diseases, which includes diseases such as alzheimer s and heart-enlargement. In the article â€Å"Swapping Young blood forRead MoreAging Population A Growing Challenge1018 Words   |  5 Pages Radka. Aging population a growing challenge. Slovak Spectator 08 Sept. 2014: 12. Newspaper Source. Web. 18 Nov. 2015. In this article, Radka Minarechovà ¡ addresses the growing challenges associated with the fastest aging population in one of the European Union countries, known as Slovakia. As the elderly population increased, the productive working age deceased, which caused the country to suffer greatly based on their involvement in employment, society, independent living and aging preventionRead MoreResearchers at the Harvard Stem Cell Institute have recently shown that a protein called GDF11 has600 Words   |  3 PagesWager conducted an experiment observing the circulation of blood from a young mouse through an older mouse, with what seemed to be slight revival in the restoration of muscles. From there, last year Wagers and Rubin examined the effects of GDF11 on mice, first by means of a para-biotic system resonant of the one used in the prior experiment. The next step was to inject the elder mouse with GDF11, which was shown to reverse properties of aging. GDF11 is naturally found much more in younger mice thanRead MoreAging And Its Effects On The Aging1360 Words   |  6 Pagesover time. The changes include physical, social and psychological changes. Causes of aging are very uncertain. Besides, there are several factors which predispose an individual to premature aging. Current theories suggest that this process occurs to due to cellular damage such as DNA oxidation by free radicals causing biological systems to fail. Internal processes such as DNA methylation may also result in aging. Predisposing factors such as space escapades, use of chemically intoxicated substancesRead MoreEffects Of Aging On Aging And Aging1343 Words   |  6 Pagesover time. The changes include physical, social and psychological changes. Causes of aging are very uncertain. Besides, there are several factors which predispose an individual to premature aging. Current theories suggest that this process occurs to due to cellular damage such as DNA oxidation by free radicals causing biological systems to fail. Internal processes such as DNA methylation may also result in aging. Predisposing factors such as space escapades, use of chemically intoxicated substancesRead MoreA Study On Progeria Syndrome1656 Words   |  7 PagesProgeria is a syndrome that is extremely rare which causes premature aging in children. I found this disease very interesting because infants appear perfectly normal at birth but the aging process begins to happen very rapidly as early as 12 months. The young children will start displaying elderly characteristics as the disease progresses. These children will often die from old age diseases such as heart attacks, and strokes or related complications. The mayo clinic website indicates that progeriaRead MoreResearch Paper : North Carolina Central University1376 Words   |  6 Pages5820 North Carolina Central University I. Introduction (2 pages) Sexuality in aging is an interesting topic being that everyone will age and the information is vital to know. Countless amounts of people want and need to be close to others, as they grow older meaning they yearn to endure a lively, fulfilling sex life. With aging, there might be changes that can produce later difficulties and issues. Typical aging brings physical changes in both men and women. These changes occasionally disturbRead MoreThe Idea Of Functional Magnetic Resonance Imaging ( Fmri )858 Words   |  4 Pages The idea of functional Magnetic Resonance Imaging (fMRI) is blood oxygen level dependent (BOLD). Functional Magnetic Resonance Imaging (fMRI) is a technique used to visualize brain activity by detecting changes in blood flow. fMRI creates images of physiological activity correlated with neuronal activity. The idea of BOLD relies on the fact that, a certain activated area in the brain requires increased blood flow. The blood entering the area is oxygen enriched (oxygen ated hemoglobin) and resultsRead MoreDoes Aging Bring Sadness to an Athlete? Essay647 Words   |  3 Pagesyou participate in any sport. So being named an athlete is an honor because your skills are put to the test at all ages which leads to the question of: does aging bring only sadness to an athlete? In this essay, this question will be answered from many different points of view including external and internal validations. Firstly, can aging bring sadness to an athlete? This question can have multiple answers of yes and no, but with my agreement with A. E. Housman I believe athletes do get sad. Athletes

Rehabilitation And Treatment Of Rehabilitation - 870 Words

Rehabilitation, what is rehabilitation? Rehabilitation is the action of restoring someone to a normal life through training and therapy after incarcerated, addiction or illness. Rehabilitation can be used for an offender who has committed a crime and is incarcerated, someone who is struggling with addiction or illness. Rehabilitation was originated in 1779 by the British Government as part of the Penitentiary Act, rehabilitation would consist of punishment along with treatment for the offenders. (Benjamin Disraeli 2004). The purpose of rehabilitation is to treat the offender in order for the offender to return to society and be able to contribute, rehabilitation is also a punishment for breaking a law. Parole and mandatory release, what is the difference between the two. Parole is the release of an inmate before the inmate’s completion of their sentence, usually parole is given to an inmate that is a model inmate and has shown change and rehabilitation. The inmate is release on the terms that they will continue with positive, good behavior and will be a positive influence on society. Mandatory release is the release of an inmate due to the completion of the inmate’s sentence. An inmate must be released even if the inmate’s behavior has not changed or if the inmate has not been rehabilitated. The inmates completed the sentence given by the courts and must be released. Courts use probation as a form of punishment or sentencing. An offender who hasShow MoreRelatedTreatment And Treatment Of Rehabilitation941 Words   |  4 PagesTREATMENT Following a specific anterior cruciate ligament injury diagnosis, the first and most important decision for a patient is whether to undergo non-operative or operative management of the injury. In order to establish the most opportune method of treatment there are many components that must be considered, although the decision is ultimately dependent upon the age, activity level, and preferences of the patient. Most often, nonsurgical treatment is chosen for older, more sedentary individualsRead MoreTreatment And Treatment Of Rehabilitation954 Words   |  4 PagesIntroduction Rehabilitation can have two different meanings- to bring (someone or something) back to a normal healthy conditions after an illness, injury or drug problems; or to teach a criminal in prison to live a normal and productive life. Approaches to treatment range from individual to group methods. Correctional officers must discover what works for which offender in what context. History of Drugs Shamanism- a practice among primitive societies dating back, by some estimates, more than 40Read More`` Rehabilitation Treatment Of America `` By Etheridge Knight s Poem, Rehabilitation And Treatment1663 Words   |  7 PagesEtheridge Knight’s poem, â€Å"Rehabilitation Treatment in the Prisons of America† illustrates the effects of the Regan administration’s manipulation. In the poem, a convict with a capital â€Å"C†, enters an administration building, â€Å"to get assistance and counseling for his personal problems.† The Convict goes through a number of doors proclaiming titles like, â€Å"Counselor†, â€Å"Treatment†, â€Å"First Offender†, â€Å"Adult†, and â€Å"Democrat† before running through the final door and falling nine stories onto the streetRead MoreEffective Treatment Of A Rehabilitation Facility887 Words   |  4 Pagesintimate relationship to the Kowalskis. The family responded with disbelief and horror. They immediately limited Karen’s visitation. Animosity escalated as Karen disagreed with the Kowalskis about Sharon’s medical treatment. Karen advocated aggressive treatment in a rehabilitation facility with state-of-the-art brain injury services. Instead, Sharon’s parents placed her in a nursing home where Sharon vegetated. She was refused access to an electric wheelchair, typewriter, or computer to enableRead MoreMental Health Treatment And Rehabilitation1624 Words   |  7 Pageshealth field can provide are needed now more than ever. The following four agencies specialize in mental health treatment and rehabilitation. The Adult Mental Health Division (AMHD) of the State of Hawaii Department of Mental Health serves adults who require counseling services, those who have been diagnosed with a serious mental illness, adults who have been court ordered to treatment, victims of a natural disaster or terrorism, and those who are in crisis (â€Å"Access to Services† n.d.). They alsoRead MoreRehabilitation Is The Most Intensive Treatment Option For Recovery953 Words   |  4 PagesRehabilitation is the most intensive treatment option for recovery. Other names are Residential Treatment Program, inpatient substance abuse treatment, drug rehabilitation, or rehab. Rehabilitation provides three unique characteristics to enhance the opportunity for a successful recovery. Treatment is away from: 1. Home. 2. Access to drugs. 3. Contact with active substance abusers. The advantages of receiving intensive treatment away from home and without access to drugs and active drug abusersRead MoreThe Epidemiology, Treatment And Rehabilitation Of An Anterior Cruciate Ligament Essay2061 Words   |  9 PagesEpidemiology, Treatment and Rehabilitation of an Anterior Cruciate Ligament Rupture Introduction The Anterior Cruciate Ligament (ACL) is the most commonly injured ligament in the body (Spindler, 2008). Griffin (2005) estimated that around 80 000 to more than 250 000 ACL injuries occur each year. An anterior cruciate ligament rupture (ACLR) can be a devastating injury to an athlete, as they encounter the possibility of reconstructive surgery alongside extensive months of rehabilitation. Also manyRead MoreRehabilitation Is Not Effective Treatment For Sex Offenders1853 Words   |  8 Pageswithout a second thought. Yes, child molesters should receive stricter jail time for their crimes. Rehab is not effective treatment for sex offenders. Often we see repeat offenders because of light sentencing by lenient judges. The children are left to deal with a lifetime of psychological, emotional, and/ or physical damage of these sex offenders. Rehab is not effective treatment for sex offenders. North Carolina prison system has developed rehab program for sex offenders called SOAR (Sexual OffenderRead MorePrison Corrections, Treatment Programs, Rehabilitation, And The Prevention Of Recidivism861 Words   |  4 PagesPrison corrections, treatment programs, rehabilitation, and the prevention of recidivism is a process that can only be measured in small percentage points†¦sometimes gaining, sometimes losing, and on an individual level, in the trenches, between the agents of the system and the offenders, a sometimes lumbering, attempt and daily challenge to hold ground. The nature of crime and punishment (rehabilitation and prevention) is fragile and tenuous by nature, with no grand sweeping touchdowns or grand slamsRead MoreThe Treatment Of A Patient s Rehabilitation Needs For Patients After Cancer Treatment Essay1812 Words   |  8 Pagesnot a new theme, however being the limiting variable was new for the research. Mikkelsen et al. (2008) explored the psychosocial rehabilitations needs for patients after cancer treatment that may not be met by the healthcare system, and fear of cancer relapse. Focused-interview with patients (N=15) used open-ended questions to explore former cancer patient’s rehabilitation needs. The interviews were transcribed and identified categories of need to include: (a) continuous support, (b) family support

Chemistry class xii project free essay sample

Theory What is rust? Rust is the common name of a compound, iron oxide. Iron oxide, the chemical Effie, is common because iron combines very readily with oxygen so readily, in fact, that pure Iron Is only rarely found In nature. Iron (or steel) rusting Is an example of corrosion an electrochemical process involving an anode (a piece of metal that readily gives up electrons), an electrolyte (a liquid that helps electrons move) and a cathode (a piece of metal that readily accepts electrons). Causes When a piece of metal corrodes, the electrolyte helps provide oxygen to the anode. As oxygen combines with the metal, electrons are liberated. When they flow through the electrolyte to the cathode, the metal of the anode disappears, swept away by the electrical flow or converted into metal actions in a form such as rust. For iron to become Iron oxide, three things are required: Iron, water and oxygen. Heres what happens when the three get together: When a drop of water hits an Iron object, two things begin to happen almost immediately. First, the water, a good electrolyte, combines with carbon dioxide in the air to form a weak carbonic acid, an even better electrolyte. As the acid is formed and the iron dissolved, some of the water will begin o break down Into Its component pieces hydrogen and oxygen. The free oxygen and dissolved iron bond into iron oxide, in the process freeing electrons. The electrons liberated from the anode portion of the iron flow to the cathode, which may be a piece of a metal less electrically reactive than iron, or another point on the piece of Iron Itself, Consequences Rusting has a number of effects on metal objects. It makes them look orange and rough. It makes them weaker, by replacing the strong Iron or steel with flaky powder. Some oxides on some metals such as aluminum form Just a thin layer on top which lows down further corrosion, but rust can slowly eat away at even the biggest piece of iron. If a piece of Irons strength Is important for safety, such as a bridge support or a cars brake caliper. It Is a good Idea to Inspect It for rust damage every now and then. Rust also can cause metal parts that are supposed to slide over one another to become stuck. Rust can make holes In sheet metal. Rusty car mufflers sometimes develop holes in them, and the sheet steel making the outer bodies of cars will often rust through, making holes. Rust Is a lot less magnetic than Iron. An iron magnet will probably still work almost as ell when It has a thin coating of rust on It, but If It has rusted so badly that most of the metal is gone, then it will not work very well as a magnet. 1 OFF which is a metallic conductor. So if some electrical connection is made with iron, its likely to go bad when the iron surface rusts. Rust is associated with degradation of iron-based tools and structures. As rust has a much higher volume than the originating mass of iron, its build-up can also cause failure by forcing apart adjacent parts ” a phenomenon sometimes known as rust packing. It was the cause of the collapse of the Missus river bridge in 1983, when he bearings rusted internally and pushed one corner of the road slab off its support. Rust was also an important factor in the Silver Bridge disaster of 1967 in West Virginia, when a steel suspension bridge collapsed in less than a minute, killing 46 drivers and passengers on the bridge at the time. Prevention and Protection Because of the widespread use and importance of iron and steel products, the prevention or slowing of rust is the basis of major economic activities in a number of specialized technologies. A brief overview of methods is presented here; for detailed overage, see the cross-referenced articles. Rust is permeable to air and water, therefore the interior metallic iron beneath a rust layer continues to corrode. Rust prevention thus requires coatings that preclude rust formation. Some methods of prevention of rusting are as follows: Gallivanting:- Globalization consists of an application on the object to be protected of a layer of metallic zinc by either hot-dip gallivanting or electroplating. Zinc is traditionally used because it is cheap, adheres well to steel, and provides catholic protection to the steel surface in case of damage of the zinc layer. In more corrosive environments (such as salt water), cadmium plating is preferred. Coating and Painting:- Rust formation can be controlled with coatings, such as paint, lacquer, or varnish that isolate the iron from the environment. Large structures with enclosed box sections, such as ships and modern automobiles, often have a wax-based product (technically a slashing oil) injected into these sections. Such treatments usually also contain rust inhibitors. Covering steel with concrete can provide some protection to steel because of the alkaline pH environment at the steel-concrete interface. Humidity Control:- Rust can be avoided by controlling the moisture in the atmosphere. An example of this is the use of silica gel packets to control humidity in equipment shipped by sea. Metal Coupling:-Len this method, the iron is coupled with other metal and if the metal is above iron in electrochemical series(meaner more electrostatics)then in the galvanic cell is formed by the contact of the iron and that metal, iron will go under reduction it will be safe from rusting. If the metal is below iron in electrochemical series then iron will go under oxidation and rusting will be facilitated.