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Friday, August 7, 2015

Health News: Raw pet food sales are booming, but is food safe? ♦ Trauma experiences change the brain ♦ Romantic kissing is not the norm in most cultures

Raw pet food sales are booming, but is food safe? Along with serving grain-free, organic and all natural foods to their cats and dogs, more Americans are dishing out raw food to their pets. In the past year, retail sales of raw freeze-dried dog and cat food jumped 64%, from $25 million to $40 million, and sales of raw frozen pet food jumped 32% from $52 million to $69 million.
Trauma experiences change the brain even in those without PTSD Trauma may cause distinct and long-lasting effects even in people who do not develop PTSD (post-traumatic stress disorder), according to research. It is already known that stress affects brain function and may lead to PTSD, but until now the underlying brain networks have proven elusive.
Scientists identify key genetic factor that keeps moles from turning into melanoma Moles are benign tumors found on the skin of almost every adult. Scientists have known for years that a mutation in the BRAF gene makes them start growing, but until now haven't understood why they stop. Now, researchers have identified a major genetic factor that keeps moles in their usual non-cancerous, no-growth state.
Romantic kissing is not the norm in most cultures For generations, passionate kisses immortalized in movies, songs and the arts have served as a thermometer of romantic affection. But current research has found that not only is romantic kissing not the norm in most cultures, some find it uncomfortable and even flat-out repulsive.
Research team gets the beat, develops method of quantifying ciliary movement Researchers have figured out how to objectively quantify the beating action of cilia, the tiny, hair-like projections on cells that line nasal passages, the lungs and almost every other body tissue, according to a study. Such digital signatures could help doctors more quickly and accurately diagnose ciliary motion defects

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