Translation of Stickstoff

We drove towards the university where he studied and from there we drove to the hospital where he worked. He told me that there were hospitals for locals and for foreigners with different medical equipment and staff.
Please write me from your home as soon as your are back. My Spanish is better than that of most Americans, but my English is worse than that of most people here. It is a strange position that I am in.
I had to get used to riding the bike and I almost fell a few times. I drove on the main road and stopped at several little villages near the beach. The locals were very friendly and welcoming.