Health News Archive - May 30, 2009
The brain is wired to identify gender based on facial cues and coloring, which may explain why women wear makeup, Canadian researchers said. Psychology Professor Frederic Gosselin and his University of Montreal team found the luminescence of the eyebrow and mouth region is vital in rapid gender discrimination. As teenagers, dimorphism -- systematic difference between sexes -- increases in the nose, chin, mouth, jaw, eyes and general shape of faces, lead author Nicolas Dupuis-Roy said in a statement.
Teens that text, drink too much caffeine, play games and surf the internet all night are experiencing difficulty staying alert and functioning the next day, a new study in Pediatrics says.
National data shows a â€œdramaticâ€ rise in the number US teenagers choosing to abstain from sex between 1992 and 2002, while the use of contraceptives among those who are sexually active has similarly shot up, according to a new report.
A new report indicates that elderly men and women who live with their spouse are more inclined to take preventative health measures than those who live alone or with an adult child.
The popular belief that healthy eating starts at home and that parents' dietary choices help children establish their nutritional beliefs and behaviors may need rethinking.
While minimally invasive coil treatments for those with a ruptured brain aneurysm have proved to be a more effective technique than traditional surgical operation in selected patients, the superior procedure is drastically more expensive.
Theta oscillations are a type of prominent brain rhythm that orchestrates neuronal activity in the hippocampus, a brain area critical for the formation of new memories.
Two scientists at the Institute for Aging Research of Hebrew SeniorLife are part of an international team of investigators that has identified genes that influence the start of menstruation, a milestone of female reproductive health that has lifelong influences on overall health.
A new swimsuit material that lets 80 percent of the sun penetrate to the skin could contribute to deadly forms of skin cancer, British health experts said. The material, meant to eliminate tan-lines, has thousands of microscopic holes in the fabric that make it transparent, said John Walker, who owns Kiniki, the maker of the Tan Through fabric. When looked at, the material appears solid because of abstract patterns and prints that confuse the eye, Walker said.
For the past century, changes in the Western diet have altered the consumption of omega-6 fatty acids (w6, found in meat and vegetable oils) compared with omega-3 fatty acids (w3, found in flax and fish oil).