Exercise heats up the hypothalamus to drive down food intake, according to a study publishing on April 24 in the open-access journal PLOS Biology by Jae Hoon Jeong, Young-Hwan Jo, and colleagues at the Albert Einstein College of Medicine in New York. The findings answer a long-standing question about the cause of exercise-induced reduction in appetite.
There's increasing physiological evidence connecting breathing patterns with the brain regions that control mood and emotion. Now researchers have added neurons associated with the olfactory system to the connection between behavior and breathing. Connecting patterns in these interactions may help explain why practices such as meditation and yoga that rely on rhythmic breathing can help people overcome anxiety-based illnesses.
Neurocognitive impairment is frequently encountered in multiple sclerosis patients affecting between 40-65 percent of these individuals, irrespective of disease duration, severity of physical disability, and at both the earlier and later disease stages, with a tendency to worsen over time.
Previous studies have indicated that weight gain can reduce one's sensitivity to the taste of food. Now a study publishing March 20 in the open-access journal PLOS Biology by Andrew Kaufman, Robin Dando, and colleagues at Cornell University shows that inflammation, driven by obesity, actually reduces the number of taste buds on the tongues of mice.
From floral perfume to fruity body wash and shampoos, scents heavily influence consumer purchases. But for most, the smell doesn't last long after showering. Scientists have now developed a way to get those fragrances to stick to the skin longer instead of washing down the drain immediately after being applied. The researchers are presenting their results today at the 255th National Meeting & Exposition of the American Chemical Society.
The transformation of barley grains into beer is an old story, typically starring water, yeast and hops. Now, in a report in the Journal of Proteome Research, scientists are highlighting another character in this tale: proteins. The results could someday lead to a better, tastier brew.
Researchers at University of California, Riverside, asked 143 people to express a preference among recycled water, bottled water, and tap water. They hypothesized that all three would score similarly. In fact, tap water was the least popular among the tasters; recycled water and bottled water scored about the same.
It is well known that dogs have a better sense of smell than humans. For years, researchers have been trying to develop an artificial detector that is just as good as a canine's nose. Now, one group reports in ACS Nano that they were able to mimic a dog's sniffer with graphene-based nanoscrolls.
Caltech researchers discover the wiring of the circuit in the mouse brain that drives and quenches thirst.
researchers have created a functional map of how the hawkmoth smells, tracing the process from the antennae to specific areas in the hawkmoth brain. Using a wind tunnel, calcium imaging, and 80 different odor compounds found in the hawkmoth's natural environment, researchers mapped how the hawkmoth distinguishes between odors to find a safe place to eat or to lay eggs, according to the study published Feb. 27 in the journal Cell Reports.