1) The word "yesterday" contains three vowels: E, A, and A.

2) The word "table" contains two vowels: A and E.

3) The word "elephant" contains three vowels: E, A, and E.

4) The increasing emphasis on mental health and well-being has led to greater awareness, advocacy, and destigmatization of mental health issues, as well as efforts to improve access to mental health services and support systems.