根據研究，孤獨感會提高老年人早死的風險，因為它對健康的有害影響。

belief信念 ；danger 危險 ；knowledge 知識 ；safety 安全

due to 因為；because of 因為；because 因為
due to + 名詞；because of +名詞； because +主詞+動詞

Her failure was due to her arrogance.
她的失敗是因為她的驕傲。
due to 是個介係詞，後面必須要加上名詞，不可以接完整句子。

The window of the office was broken because of the strong wind.
因為強風，辦公室的玻璃破了。
because 加上了 of 之後because of變成了介係詞，後面必須要加上一個名詞或是動名詞。

He did very well on the final exam because he studied hard for it.
他期末考考得很好，因為他很用功地念書。
because是從屬連接詞，後面要加上一個完整句子，也就是有主詞、動詞的句子。