It shows that people won't get parasites if they drink more alcohol. 是什么意思?

问题描述:

It shows that people won't get parasites if they drink more alcohol. 是什么意思?
A man named Duncan Usher takes this picture.还有

这表明,喝更多酒的人,体内不会有寄生虫.
一个叫邓肯-阿希尔的人拍了这张照片.