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Until recently, there was very little evidence in animal models for marijuana tolerance and withdrawal, the classic symptoms of addiction. For at least four decades, million of Americans have used marijuana without clear evidence of a withdrawal syndrome. Most recreational
5 min read
Marijuana may not be a life-threatening drug, but is it an addictive one? There is little evidence in animal models for tolerance and withdrawal, the classic determinants of addiction. For at least four decades, million of Americans have used marijuana
5 min read
There are now several clinical trials showing that mice and dogs show evidence of cannabis withdrawal. (For THC-addicted dogs, it is the abnormal number of wet-dog shakes that give them away.) Today, scientists have a much better picture of the
5 min read
The existence of post-partum psychosis and post-partum depression has been hotly contested publicly. Tom Cruise’s denouncement of Brooke Shields’ diagnosis of post-partum depression is perhaps the most visible example of the controversy among laypeople, but in the medical literature the
3 min read
Millions of people suffering with dementia are often left without care or support until their illness reaches crisis point, according to a report on Thursday on the ethical dilemmas of the brain-wasting disease. The report by a British medical ethics
3 min read
Dr Alex Mesoudi, from Queen Mary’s newly established Research Centre for Psychology, has found evidence that the increasing reach and influence of the media, combined with a growing number of people assigned celebrity status, could increase the probability of widespread
3 min read
Attention deficit/hyperactivity disorder, ADHD, is one of the most common neuropsychiatric disorders of childhood. Worldwide, 3㈝% of children are affected with the disorder. Key symptoms of ADHD include age-inappropriate hyperactive and impulsive behaviour and/or a reduced ability to focus attention.
13 min read
Autism can build a wall of poor communication between those struggling with the condition and their families. While a personal computer can help bridge the divide, the distraction and complexity of a keyboard can be an insurmountable obstacle. Using a
3 min read
A study published last year suggested that bipolar disorder may be over diagnosed in people seeking mental health care. Now new findings shed light on which disorders many of these patients actually have. Bipolar disorder, also known as manic depression,
3 min read
Researchers from the Hebrew University of Jerusalem have succeeded for the first time in devising a model that describes and identifies a basic cellular mechanism that enables networks of neurons to efficiently decode speech in changing conditions. The research may
2 min read
Psychopaths who kill and rape have faulty connections between the part of the brain dealing with emotions and that which handles impulses and decision-making, scientists have found. In a study of psychopaths who had committed murder, manslaughter, multiple rape, strangulation
3 min read
A new study by researchers at Columbia University Mailman School of Public Health’s Center for Infection and Immunity indicates that pediatric obsessive-compulsive disorder (OCD), Tourette syndrome and/or tic disorder may develop from an inappropriate immune response to the bacteria causing
5 min read
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