Like rings of a tree, hair can reveal a lot of information about the past. It can tell if a person recently used drugs or an athlete was doping. It can provide information about hormones and expose environmental toxins.
Apr 15, 2014
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Bisphenol A (BPA) is a chemical that is used in a wide variety of consumer products, such as resins used to line metal food and beverage containers, thermal paper store receipts, and dental composites. BPA exhibits hormone-like ...
Feb 27, 2014
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Scientists working on a paralysis cure said Tuesday they had demonstrated how a monkey can use only its thoughts, transferred by electrodes, to manipulate a sleeping fellow primate's arm to do its bidding.
Feb 18, 2014
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Ketamine is a potent anesthetic employed in human and veterinary medicine, and sometimes used illegally as a recreational drug. The drug is also a promising candidate for the fast treatment of depression in patients who do ...
Jan 7, 2014
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The female sex hormone oestrogen can be produced and released from the brain as well as the ovaries, according to a study.
Dec 24, 2013
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One of the first areas of the brain to be attacked by Alzheimer's disease is more active when the brain isn't working very hard, and quiets down during the brain's peak performance.
Dec 18, 2013
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A University of Wisconsin-Madison research team reports today that the brain can produce and release estrogen—a discovery that may lead to a better understanding of hormonal changes observed from before birth throughout ...
Dec 4, 2013
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Age-related cognitive decline and changes in the nervous system are closely linked, but up until recently, they were thought to result from the loss of neurons in areas such as the prefrontal cortex, the part of the brain ...
Dec 2, 2013
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Even as the rate of diagnosis has reached 11 percent among American children aged 4 to 17, neuroscientists are still trying to understand attention deficit hyperactivity disorder (ADHD). One classic symptom is impulsivity—the ...
Nov 13, 2013
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A research team led by investigators at Beth Israel Deaconess Medical Center (BIDMC) has demonstrated that a group of recently discovered antibodies may be a highly effective therapy for the treatment of HIV. Published on-line ...
Oct 30, 2013
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