Clear examples of such receptive awareness in normal adult human experience are hard to find, for we can not question our experience as to its contents without using signs. (religion-online.org)
We think that the diet of normal adult dogs should contain between 2.5 and 4.5 percent fiber. (2ndchance.info)
Research appears to indicate that for normal adults, seven hours of sleep is optimal. (articles.mercola.com)