(CNN)This year was full of headline-making health topics that left many people scratching their heads — so they turned to Dr. Google for answers.
Among the top trending health-related questions searched on Google in the United States in 2016 were questions related to Zika, traumatic brain injuries and cupping, according to a list that Google spokeswoman Kara Berman sent to CNN in an email on Sunday.
Scott’s family said the injury, caused by a motorcycle accident, resulted in him stuttering or sometimes being forgetful.
A TBI can occur when a blow or jolt to the head causes damage to the brain, which can range in severity.
Some symptoms may appear immediately while others may not appear until days or weeks following the injury.
Symptoms include headache, loss of coordination, loss of consciousness, seizures, slurred speech, weakness or numbness, dilated eye pupils or the inability to awaken from sleep.
Questions that stand the test of time
The full list of the top 10 trending health questions in the United States this year also included questions about pregnancy, and whether certain illnesses are contagious:
- What is cupping?
- Can you get pregnant while on your period?
- Is bronchiolitis contagious?
- What is a TBI?
- What causes yeast infection?
- What are the symptoms of Zika?
- How to get rid of cold sores fast?
- How long is pink eye contagious for?
- How long does Zika last?
- Can you get pregnant on birth control?
Popular health-related questions from around the world this year, according to Google Keyword Planner, included:
- What is Zika virus
- What is ASMR (autonomous sensory meridian response)
- What is hash
- What is a hickey
- What is dopamine
- What is heterosexual
- What is an enema
- What is a lobotomy
- What is penicillin
- What is snuff
- What is quinine
- What is doping
- What is a fart
- What is a wet dream
- What is 420
- What is angel dust
CNN’s Sara Cheshire contributed to this report.