This slideshow can be used to learn or revise the vocabulary around health problems. There is a matching video on youtube that you can recommend to your students. https://www.youtube.com/watch?v=I4qwvj9FpSw
I’m British and have been living and teaching English in France since 1981. Once I became bilingual I started teaching French. Having had to learn that language myself helped me anticipate the difficulties my students would face.