从给定文献中提取最常见的单词列表，不包括停用词。输出前10个最常见的单词及其出现的次数。
文献：Multiple studies have demonstrated that regular physical activity helps prevent chronic diseases, such as heart disease, diabetes, and some cancers. It also helps promote weight loss, reduce depression and anxiety, and improve cognitive function.
最常见的单词列表（不包括停用词）：

1. physical - 2次
2. activity - 1次
3. prevent - 1次
4. chronic - 1次
5. diseases - 1次
6. heart - 1次
7. diabetes - 1次
8. cancers - 1次
9. promote - 1次
10. weight - 1次