But you can try yourself. Take a card set and a close friend or close relative. Understand if the person is sober or intoxicated. Mix the cards and take one, facing the colour side to you. Ask the other guy while staring at the card if it's red or black.
It's a 50/50 chance guessing.
Who scores on a deck significantly higher or lower than half score having each time again a 50/50 chance creating an overall mathematical chance of around 50/50 with five points stretch?
CIA research based on legends of Witcher Travellers, the Gypsy Coffee oracle, tried that with different drugs.
The results are Top Secret
Area 51 is basically Boston Dynamics and the disguise story to avoid mentioning that they also tried electro shoks.
Not as bad as Nazi research in Auschwitz. They had done the hardcore stuff already.
