viral video of the world's oldest living person, who is 399 years old

People have been reacting strangely to the 399-year-old woman who is the subject of a viral news story trending. Is this video about a 399-year-old woman alive true or fake? is the most frequent query that users of the internet ask.

The woman appears to be quite elderly compared to these years in the video, but some claim that it is virtually impossible for a person to live to be 399 years old. The amazing thing about this woman is that even at her advanced age, she is still in good health.