May 5, 2014

Another Score for Dr. Pavlov

1 Just Imagining Food Aroma Makes Us Hungry

Food aromas are known to whet the appetite and motivate people to overeat, but Temple University researchers now report that just imagining an attractive food smell can make us as hungry as the actual aroma. Specifically, people shown photos of baked treats who were asked to think about the food's smell salivated more in response and ate more of the food when it was offered than those who were shown the photos but given no instructions. Curiously, those who were asked to imagine the baked good aromas without being shown any photo did not feel hungrier or consume more of the items. Researchers have no explanation, but odors and visual input are processed in two different areas of the brain, and it may require the activation of both to trigger the "Pavlovian" response in humans.

More at Sfgate.com | Posted 3 years ago by Robert S. Wieder

Previously: Food Aroma Influences Bite Size

Tags: Hunger Triggers, Food Aromas, Causes of Overeating, Smell of Food, Food Aromas and Overweight

Comment on This | Was this Interesting? Yes! (50%) / No! (50%)

Was Dracula onto Something?

2 Young Blood May Hold Anti-Aging Key

"So I should keep bathing in virgin blood, then?"
- Shellie in the comments

Two new studies have scientists excitedly speculating that aging bodies may be rejuvenated simply by receiving key elements present in young blood. One study, led by University of California researchers, found that old mice transfused with young blood experienced new neuron growth and displayed improved learning, memory and general cognitive function. Coincidentally, a Harvard University research team found that a protein called GDF11, abundant in young mouse blood, triggered the production of new cardiac stem cells and resulted in new heart tissue and healthier heart function in aged mice. Although the proteins in mouse blood are not identical to those in humans, longevity experts are optimistic that an anti-aging drug based on these findings can be developed.

More at Sploid.gizmodo.com | Posted 3 years ago by Robert S. Wieder

Previously: Calorie Restriction Slows Aging and Illness

Tags: Anti-Aging Drugs, Slowing the Aging Process, Young Blood Reverses Aging, Extending Longevity, Mouse Blood

Read the Comments (1) | Was this Interesting? Yes! (58%) / No! (42%)

Leads to Lower Cognition

3 Diabetes Linked to Loss of Brain Matter

Type 2 diabetes is linked to loss of brain matter say researchers at the Perleman School of Medicine at the University of Pennsylvania who studied the brain structures of 614 middle-aged patients who had type 2 diabetes for an average of 10 years. Researchers found a reduction of volume in the gray matter of the brain and say this is associated with the neurodegenerative process which may lead to Alzheimer’s disease. “[We’re] not saying all [people with diabetes] will get Alzheimer’s, but suggesting that many of them will have worse cognition and worse thinking ability as they get older ... ” said lead researcher Dr. R. Nick Bryan who added, “One thing that’s pretty clear was that the adverse effect of diabetes was significantly worse in patients who had diabetes longer.”

More at Www.foxnews.com | Posted 3 years ago by Melody Lesser

Previously: Obese Postmenopausal Women Have Reduced Memory

Tags: Cognitive Decline, Type 2 Diabetes, University of Pennsylvania, Type 2 Diabetes and Brain Function, Brain Volume, Perleman School of Medicine, Dr. R. Nick Bryan, Neurodegenerative Process

Comment on This | Was this Interesting? Yes! (51%) / No! (49%)

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