By Zahid Mahmood, CNN ​ A team of scientists from Australia and Japan has developed a blood test to detect early signs of Alzheimer's disease. The noninvasive test was developed to detect the presence of the toxic protein amyloid beta, known to be present in people affected by the disease, and did so with 90% accuracy, according to the study, publi...

NHS UK   A heart attack (myocardial infarction or MI) is a serious medical emergency in which the supply of blood to the heart is suddenly blocked, usually by a blood clot. A heart attack is a medical emergency. A lack of blood to the heart may seriously damage the heart muscle and can be life-threatening. Symptoms of a heart attack Sympt...

NHS | UK ​ A computerised tomography (CT) scan uses X-rays and a computer to create detailed images of the inside of the body. ​ CT scans are sometimes referred to as CAT scans or computed tomography scans. They're carried out in hospital by specially trained operators called radiographers, and can be done while you're staying in hospital or during...

By Susan Scutti  In 2018, playing video games obsessively might lead to a diagnosis of a mental health disorder. In the beta draft of its forthcoming 11th International Classification of Diseases , the World Health Organization includes "gaming disorder" in its list of mental health conditions. The WHO defines the disorder as a "persistent or ...

Department of Radiology, MGH Martinos Center , Harvard Medical School ​ Diffusion spectrum imaging ( DSI ) is a variant of magnetic resonance imaging (MRI) in which a magnetic field maps the water contained in neuron fibers, thus mapping their criss-crossing patterns. A similar technique called diffusion tensor imaging (DTI) is also used to explore...