A pre-experimental study was conducted to evaluate the effectiveness of video assisted teaching module on warning signs of Alzheimer's disease among adults in rural area of Mangalore.Data was collected from 40 adults, selected by purposive sampling technique. The mean of overall pre test knowledge score was 13.83±3.52 and the mean of overall post test knowledge score was 18.13±2.45. Improvement in the knowledge score of the samples from the pre-test to post-test is tested for statistical significance using paired ttest ('t'=8.89), shows significant difference between pre and post-test score (p0.05).