Best Selfie Angle: Your left cheek or right cheek? Ancient portraits reveal

Checking several portraits, the article stated that it has proven that more and more portraits showed the left-side bias. One of the famous examples of this is the portrait of the Mona Lisa by Leonardo Da Vinci.

Studies also supported this bias. A study published in nature.com stated that 60 percent of sitters showed their left side out of 1,474 portraits painted in Europe from the 16thto the 20th centuries.