10 health questions that had you Googling this year
(CNN)What is lupus? How long does the flu last? What causes hiccups?
Those are just some of the health-related questions that Internet surfers in the United States asked Dr. Google in 2017, according to a list provided by Google spokeswoman Evan Barbour Grippi.
The data were collected from January to mid-December.
A separate CNN analysis of health-related “what” and “why” questions searched worldwide on Google in 2017 included queries about the keto diet and opioids, according to Google Trends.
What did people search for last year? Zika, traumatic brain injuries and cupping were among the most popular health-related searches in 2016.
Here are some of the most popular health-related questions searched for this year and the answers, as provided in CNN’s coverage of each.
What are opioids? And ’13 Reasons Why’?
Around the world, “What is keto diet?” “What are opioids?” “Why is addiction a disease?” and “13 Reasons Why” were among the most popular health-related queries on Google this year, according to Google Trends.
The keto, or ketogenic, diet quadrupled in Google searches in the past year. It involves eating more healthy fats and less carbohydrates in order to force the body to burn fat.
Though it has seen a recent rise in popularity, the diet actually dates to the early 1920s. It was developed for people with epilepsy, as it was observed that fasting had anti-seizure properties, according to a 2008 paper in the journal Current Treatment Options in Neurology.
This year, many people also were curious about opioids and addiction in their Google searches. Around the same time, America’s opioid crisis made headlines.