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Health News - MRI/PET

New MRI scans reveal brain features of depression
Using new types of MRI, scientists have observed features of the blood-brain barrier and activity in brain circuits that may characterize depression. (Medical News Today)

Parkinson's: Ultrasound technology may relieve symptoms
New research shows that a special ultrasound technique can significantly reduce tremors in people living with Parkinson's disease. (Medical News Today)

Dementia: Brain mapping method may predict progression
New research shows how frontotemporal dementia progresses and enables scientists to accurately predict how the condition will spread. (Medical News Today)

Can neurofeedback training increase self-esteem in depression?
A new study suggests that fMRI neurofeedback training can increase self-esteem in people with a history of depression by strengthening brain connectivity. (Medical News Today)

Brain scans could help predict whether antidepressants will work
New research reveals how MRI scans and artificial intelligence can help identify brain patterns that predict responsiveness to certain antidepressants. (Medical News Today)

Scientists identify genetic components of left-handedness
In a genetic analysis of 400,000 people, scientists have, for the first time, identified four DNA regions associated with left-handedness. (Medical News Today)

Listening and reading evoke almost identical brain activity
By constructing 3D semantic maps, scientists have shown that the brain activity of comprehension is largely similar for listening and reading. (Medical News Today)

What to know about a blood clot in the arm
A blood clot in the arm can be a dangerous health problem. If the clot dislodges and travels to the lungs, it can block the flow of blood there, causing the tissue to die. As a result, a blood clot in the arm requires prompt treatment. Learn about the signs and symptoms of a blood clot here, as well as how to treat it. (Medical News Today)

Why does insomnia worsen distress of unpleasant memories?
Brain activity differences may help explain why distress from bad memories grows stronger in people with insomnia but fades in those without insomnia. (Medical News Today)

MS: High-strength MRI may predict disease progression
New research suggests that a powerful MRI scanner may help predict the progression of multiple sclerosis by analyzing cortical lesions on the brain. (Medical News Today)

Stimulating brain with ultrasound can influence decisions
A study in macaques reveals that targeting a brain region with noninvasive, low-intensity ultrasound can alter a specific decision-making process. (Medical News Today)

Dementia: Amyloid PET scans can improve diagnosis and care
Using brain scans that can detect hallmarks of Alzheimer's could improve diagnosis and clinical care of people with dementia and mild cognitive impairment. (Medical News Today)

Atherosclerosis: Scans spot inflammation in arteries before they harden
Using advanced imaging to scan people with some atherosclerotic plaques, scientists detected inflammation in arteries that had not yet developed plaques. (Medical News Today)

Mediterranean diet nutrients tied with healthy brain aging
A study of older adults links blood markers of certain nutrients that are present in the Mediterranean diet to better cognition and brain connectivity. (Medical News Today)

MS: Disease impact is greater in those with food allergies
People with MS and a reported history of food allergy had more relapses and were likelier to have active lesions on MRI scans than those without allergy. (Medical News Today)

What does autism look like in the brain?
A new study offers a fresh perspective on how autism works in the brain. Symptoms, the authors say, may be linked to persistent connections in the brain. (Medical News Today)

Depression: Three new subtypes identified
Scientists used functional MRI to study the brains of 134 people and identified three new subtypes of depression, including a treatment-resistant subtype. (Medical News Today)

Does COPD show up on an X-ray?
Diagnosing chronic obstructive pulmonary disease can involve an X-ray, which may show enlarged lungs and diaphragm problems. Doctors may order X-rays and other tests when a person has symptoms, such as shortness of breath or chest tightness. Learn more about how doctors interpret X-rays to diagnose the condition here. (Medical News Today)

What to know about head and brain MRI scans
A doctor may use a head and brain MRI scan to check for a range of injuries and abnormalities. Here, gain a detailed understanding of the procedure and how to prepare. (Medical News Today)

MS: Iron levels in brain 'predict disability'
A new type of MRI that accurately monitors irons levels in different brain areas could help identify MS patients at higher risk of physical disability. (Medical News Today)

What are phleboliths and are they safe?
Phleboliths are small, round lumps of calcium that form inside a person's veins. This type of vascular calcification often occurs in the pelvic area and is more common with age. Phleboliths frequently develop in people over 40. On an X-ray, the lumps may be mistaken for kidney stones. Learn more about phleboliths here. (Medical News Today)

What happens during a testicular ultrasound?
Learn all about testicular ultrasound and its uses. This article explains the procedure, what to expect, and how to prepare for your scan. (Medical News Today)

Stroke: Could looking into the eyes help with diagnosis?
A contrast agent given to stroke survivors undergoing MRI brain scans can leak into the eyes and may help to improve diagnosis and treatment. (Medical News Today)

Cancer breakthrough: Novel approach can 'starve' tumors to death
Current research investigates the potential of an experimental compound in causing cancer cell 'starvation' by depriving them of access to a key nutrient. (Medical News Today)

How writing could make you more altruistic
Researchers reveal that writing about feelings of gratitude in a journal increases altruism in participants who favor charitable giving over themselves. (Medical News Today)

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