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Brain’s Appetite Regulator Disrupted in Obese Teens

According to the Centers for Disease Control and Prevention (CDC), obesity has more than quadrupled in adolescents over the past 30 years. It is estimated that more than one-third of children and adolescents in the U.S. are overweight or obese. Obesity in adolescence is associated with a number of health

No Evidence that Gadolinium Causes Neurologic Harm

Gadolinium-based contrast media were introduced in 1988 as a means of enhancing MRI images and are commonly used today. The contrast agent is injected into the patient's bloodstream and eliminated from the body through the kidneys. "It's estimated that approximately 400 million doses of gadolinium have been administered since 1988," said

Prototype UT Equipment can Detect Rheumatoid Arthritis

Several years ago, researchers from the University of Twente joined forces with a number of companies to develop a prototype for a machine that would combine ultrasound and photoacoustics medical imaging techniques. Combining these techniques allows specialists to create images of superficial areas of the body that can offer doctors

Imaging Technique Shows Progress Alzheimer’s Disease

Alzheimer's disease is associated with areas of high protein concentration in brain tissue: plaques and tangles. Raman imaging is now used to get sharp images of these affected areas. It is an attractive technique, because it shows more than the specific proteins involved. The presence of water and lipids, influenced

Diabetes New Insulin Sensitizers Discovered

A new study, led by researchers at Columbia University Medical Center, indicates that it may be possible to improve insulin sensitivity while avoiding these adverse effects. The findings were published online in Cell. Insulin, a hormone made in the pancreas, signals cells to grab glucose out of the bloodstream and use it

Novel Circuit Design Boosts Wearable Thermoelectric Generators

Because of their symmetrical fractal wiring patterns, the devices can be cut to the size needed to provide the voltage and power requirements for specific applications. The modular generators could be inkjet printed on flexible substrates, including fabric, and manufactured using inexpensive roll-to-roll techniques. "The attraction of thermoelectric generators is that

PET imaging tracks Zika virus infection, disease progression in mouse model

Small-animal imaging has become an important research tool for preclinical studies of infectious diseases, according to senior author Thomas M. Bocan, Ph.D., of the U.S. Army Medical Research Institute of Infectious Diseases (USAMRIID). "Traditional methods of infectious disease research using animal models have provided limited information about disease progression until the

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