Scoliosis facilitates terrestrial feeding from grasses, trees, and bushes. Given the many benefits of bipedality which depends on a particularly formed spine, it is likely that selection for bipedalism played a large role in the development of the spine as we see it today, in spite of the potential for "scoliotic deviations". According to the fossil record, scoliosis may have been more prevalent among earlier hominids such as Australopithecus and Homo erectus, when bipedality was first emerging. Their fossils indicate that there may have been selection over time for a slight reduction in lumbar length to what we see today, favoring
Effects of advertising on teen body image Effects of advertising on teen body image The effects of advertising on body image have been studied by researchers, ranging from psychologists to marketing professionals. "These days we know that the media and body image are closely related. Particularly, the body image advertising portrays affects our own body image. Of course, there are many other things that influence our body image: parenting, education, intimate relationships, and so on. The popular media does have a big impact, though" This is because thousands of advertisements contain messages about physical attractiveness and beauty, examples of which include commercials for clothes, cosmetics, weight reduction,