The 10 most Googled health questions of 2017

What causes hiccups? What is lupus?

Another popular health question this year was "What causes hiccups?" which topped the list of trending health-related questions in the US, according to Grippi. Hiccups are involuntary contractions of the diaphragm muscle that separates your chest from your abdomen, and those contractions may result from a large meal, alcoholic or carbonated drinks, or sudden excitement, according to Mayo Clinic.