Many of us use Google to look up health information. Even doctors google. I often use the search engine to show my patients for example images of anatomy or skin problems. As more people become tech-savvy and websites get better, I expect that Dr Google will be even more popular in the near future.
A study published in the Australian Family Physician in 2014 found that 63 percent of patients accessed the internet in the previous month; 28 percent had sought health information online; and 17 percent had obtained information related to problems addressed during a GP visit.
The challenge is of course to find reliable information. To help differentiate the good from the bad, have a look at this post: 6 warning signs that online health information may be unreliable.
It is recommended to check with a health practitioner that the information is applicable to you. Your doctor may be able to recommend some good resources too.