Brain News and Research

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The human brain is the center of the human nervous system and is a highly complex organ. Enclosed in the cranium, it has the same general structure as the brains of other mammals, but is over three times as large as the brain of a typical mammal with an equivalent body size.

Estrogen protects women's brains prior to menopause

In the largest study of its kind, Mayo Clinic researchers have shown that women who had one or both ovaries removed before menopause faced an increased long-term risk of cognitive impairment or dementia, compared to women who retained their ovaries.

30 Aug 2007

Influence of sex and handedness on brain is similar in capuchin monkeys and humans

Capuchin monkeys are playful, inquisitive primates known for their manual dexterity, complex social behavior, and cognitive abilities.

30 Aug 2007

1,000 strains of mice that feature the genetic diversity of the world population

Mice that are part of the Collaborative Cross project at Oak Ridge National Laboratory are helping scientists around the world learn more about possible causes of drug abuse, diabetes, sleep disorders, stress and pain, kidney disease and a number of other conditions that affect millions of people.

30 Aug 2007

Damp, moldy homes lead to depression

A groundbreaking public health study has found a connection between damp, moldy homes and depression.

30 Aug 2007

Biologic treatment for rheumatoid arthritis and the risk of cancer

The relationship between rheumatoid arthritis (RA), an autoimmune disease marked by chronic inflammation of the joints and tissue surrounding vital organs, and the incidence of cancer is complicated.

30 Aug 2007

Why we remember bad events

Do you remember exactly where you were when you learned of the Sept. 11 terrorist attacks?

29 Aug 2007

Hypnosis before breast cancer surgery shows benefits

The use of hypnosis prior to breast cancer surgery reduced the amount of anesthesia administered during the operation, the level of pain reported afterwards, and the time and cost of the procedure, according to a study published online August 28 in the Journal of the National Cancer Institute .

29 Aug 2007

FDA approves cobas TaqScreen WNV test for West Nile virus

The U.S. Food and Drug Administration has announced approval of a second test for the detection of West Nile virus (WNV) in blood and organs.

29 Aug 2007

Risks associated with facial transplantation may be lower than thought

Researchers in Cincinnati and Louisville report that immunosuppressive risks associated with facial transplantation may be lower than thought, possibly making the procedure a safer option for people who have suffered severe facial injuries.

29 Aug 2007

Stroke outcome improves when patients continue taking cholesterol-lowering drugs

A new study has illustrated the risks involved when statin treatment is discontinued after a stroke and shows an increased risk of death or dependency is present for up to 90 days.

29 Aug 2007

New form of estrogen shows potential as multiple sclerosis drug

UCLA scientists have found the first evidence that a specific form of estrogen can protect the brain from degeneration yet not increase the risk for estrogen-induced cancers of the breast and uterus.

28 Aug 2007

Geron demonstrates hESC-derived cardiomyocytes improve heart function after myocardial infarction

Geron Corporation has reported its scientists and collaborators have demonstrated that human embryonic stem cell (hESC)-derived cardiomyocytes improve heart function when transplanted after myocardial infarction.

28 Aug 2007

Brain function is even more impaired in cirrhotic than non-cirrhotic alcoholics

Sustained exposure to alcohol can cause scarring and dysfunction of the liver, referred to as cirrhosis.

28 Aug 2007

Alcoholics tend to be deficient in both cognitive and emotional processes

Alcoholics tend to be deficient in both cognitive and emotional processes.

28 Aug 2007

Alcoholics carry untold liability for brain damage

Researchers know that heavy alcohol intake can lead to structural and functional changes in the brain, but have not been able to establish direct links between these changes and specific cognitive functions.

28 Aug 2007

Cholesterol-lowering statins may also reduce the risk of Alzheimer's

Researchers in the United States say they believe cholesterol-lowering drugs may reduce the risk of Alzheimer's.

28 Aug 2007

Leading experts meet to help advance motor neurone research

World renowned experts on motor neurone disease will share their work at an international symposium hosted by the University of Edinburgh tomorrow (WED) to enable greater understanding of the condition.

28 Aug 2007

MRI helps find new abnormality related to disease progression and disability in patients with multiple sclerosis

Using magnetic resonance (MR) images of the brain, researchers have identified a new abnormality related to disease progression and disability in patients with multiple sclerosis (MS), according to a study published in the August issue of Radiology.

28 Aug 2007

Smoking turns on genes

Smoking tobacco is no longer considered sexy, but it may prove a permanent turn on for some genes.

26 Aug 2007

Sildenafil increases release of key reproductive hormone oxytocin

Researchers at the University of Wisconsin-Madison report this month that sildenafil increases the amount of oxytocin released by stimulation of the posterior pituitary gland, a small structure directly underneath the brain that regulates hormone levels in response to neural signals.

24 Aug 2007