What are the google updates?
It is the current update that came in the year august 2018.
Affects YMYL, health and wellness of Sites.
According to the latest figures made public by Moz, SEMRush, and RankRanger,
health industry was the worst affected by the update.
It was first promulgate in 2012, 24th April. This was actually happens
against link spamming in websites.