Experts have warned that people with a certain physical trait are more likely to have a psychiatric disorder, including psychopathy.
Canadian researchers found that people with shorter index fingers compared to their ring fingers are more likely to have a diagnosed psychiatric disorder, according to a study published in The Journal of Psychiatric Research.
The team noted that those with a lower 2D:4D ratio – a shorter index finger and a longer ring finger – are often associated with so-called Dark Triad traits and aggressive behaviour.
These traits include Machiavellianism ... Read even more
