«Techniques used had an almost immediate positive effect on Murphy making him a calmer, quieter, and less anxious while keeping its personality» (barkbusters.com)
A juice detox is also known to have almost immediate positive effects on the skin via revitalizing it and establishing a pleasant and radiant complexion. (juicecrafters.com)
«Removing generations of the most polluting vehicles will have the most immediate positive effect on air quality, and this Ford scrappage scheme aims to do just that.» (fordauthority.com)