Men who take drugs for erectile dysfunction may be inadvertently reducing their odds of developing Alzheimer’s disease, a new study suggests. Researchers found that men who took drugs to combat the issue were 18% less likely to develop Alzheimer’s than those who did not. Alzheimer’s Research UK said that the possibility of repurposing drugs already used for other health conditions could help “accelerate progress and open up new avenues to prevent or treat dementia-causing diseases.” The charity said that the findings were “encouraging” but called for larger studies to confirm the results and e…