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Tag: "brain" at medical news

Recouping blood flow after a stroke

The brain can grow new blood vessels after a minor stroke, w...lps to restore blood flow in the damaged area. The brain tries to heal itself after a stroke. We know that people gradually recover lost functions - like spe...

Alcohol linked to brain activity

A largest study on how alcohol affects the brain in elderly people was carried out by researchers i...t has been found that any level of drinking caused brain shrinkage, which ultimately has a negative impact on brain function. But light-to-moderate drinkers ...

The right is responsible

The right side of the brain helps people recognise themselves in a picture, sa...rked with five patients who had each half of their brain anaesthetised briefly as part of preoperative testing for brain surgery to treat epilepsy. Each pati...

The feel of pain

There are areas in the brain that deal specifically with the expectation of pai...ity used magnetic resonance imaging to monitor the brain activity of a group of people as they felt a series of painful sensations on their hands, each signa...

Antidepressant helps obesity

...works in weight loss, although it's known to alter brain chemistry and may affect the appetite centres or circuits involved in getting pleasurable feelings from eating....

Wonder drug - could end in disaster

...y act to modify levels of serotonin, an important brain chemical messenger generally thought to be associated with mood and feelings of pleasure. Prozac is known as Seroxat in Britain and Paxil in the US. This drug has the generic name-Paroxetine. However, tests using Lustral, suggests that the Prozac "...

Drug abuse leads to long standing changes in the brain

...f the world, causes long-term changes in the human brain that are associated with impaired memory and motor...ame research group reveals additional long-lasting brain changes caused by the drug, including an unexpected increase in cellular activity in certain areas o...

Decrease in testosterone levels lead to Alzheimer's

...revious animal research by the team had shown that brain concentrations of amyloid increased significantly ...one replacement therapy had been administered, the brain amyloid levels decreased. Dr Chater said that people with a genetic predisposition to Alzheimer’s ...

Medications to Prevent Relapse to Cocaine Use

...Drug Abuse (NIDA) have identified a process in the brain that may lead to a new generation of medications t...ns the pharmacological actions of marijuana in the brain also plays an important role in the neuronal processes underlying relapse to cocaine use. By blockin...

Detecting brain aneurysms

... and brain. Potential blood vessel problems in the brain can be detected by non-invasive techniques, but on...n with a malformation of a blood vessel within the brain that leads to a weakness that, in turn, may cause a brain bleed. Till now, the technique for findin...

Helping the neurology of kidney failure

...a condition called oxidative stress, which damages brain cells. However, if rats with kidney failure are tr...kind of oxidative stress might also play a role in brain disorders like Alzheimer's disease and Huntington's disease, as well as brain injury....

Dopamine helps stroke survivors

...ransmitter dopamine in the body, and this may help brain cells involved in controlling movement to function more normally. It's used as a treatment in Parkinson's disease, but a new trial suggests that levodopa is also helpful in alleviating stroke-induced disability. // Researchers at the Bad Aibling Ne...

Health at heights

...erebral function, and death. Fluid build-up in the brain causes high altitude cerebral oedema. Symptoms include headache, loss of co-ordination, weakness, and decreasing levels of consciousness including, disorientation, loss of memory, hallucinations, psychotic behavior, and coma. It occurs after a week ...

Smoking can depreciate intellegence

...as after taking account of factors known to affect brain function in older people, such as depression and alcohol use. Researcher Martin Prince said: "Our results indicate that persistent cigarette-smoking into late life increases the risk of cognitive impairment." Smoking contributes to vascular disease ...

Smoker's are prone to Alzheimer's

...ementia were assessed and, where possible, given a brain scan.// A total of 107 people developed dementia...ld be because smoking altered the chemistry of the brain and defused some of the effects of Alzheimer's. Another reason could be the fact that many smokers d...

New gene for hairloss

...y be a key factor in the hormone's effects in both brain and skin....

Poisonous Parkinson's molecule discovered

... in Texas have found a molecule which may harm the brain areas involved in Parkinson's disease. There is no...which controls muscle activity - in an area of the brain called the substantia nigra slowly die as the condition progresses. What kills these cells?// Rese...

Short stature -a problem

...ents. "One is that growth hormone therapy boosts brain chemicals and neurotransmitters that did not work as well as they would have if hormone secretion had been normal." Behaviour problems in short children improved quickly with six months of hormone replacement therapy, Dr Beens said, but that could no...

Photographs for Diagnosis

... GPs to mass-screen patients.Strokes are caused by brain cell death due to bleeding from damaged blood vess... has shown that people with a narrowing of certain brain blood vessels are at a higher risk of stroke. A team led by Tien Yin Wong at the University of Wisco...

Pregnant smokers could harm their child

...b. Research in animals suggests that damage to the brain during pregnancy could be one reason why children go on to smoke. Dr Cornelius said: "The resulting central nervous system damage may later be expressed as impulsivity, inattention, aggression, depression, and/or anxiety and may create a vulnerabil...

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