Since normal cells are not addicted to the same high levels of activity in these pathways, the drug has a negligible effect on them. (pennstatehealthnews.org)
As a general rule, an «engaged» brain will have high levels of activity in areas involved in processing sound and images. (newscientist.com)
In order to get the best chews for dogs, you must first note the size and level of activities of your dog. (usbones.com)