Were mystery holes in skulls an ancient aspirin?

Drilling holes in the skull was never a migraine cure – but it was long thought to be

Like a hole in the head

Crested Chickens, Vaulted Skulls, and Damaged Brains - Part 2: Crests, Vaults and Their Genetic Connection — Randy's Chicken Blog

Pain relief through the ages: what are they and did they work? - BBC Science Focus Magazine

Top 5 Skull and Bones Facts , skull and bones sociedade

TREPANED HUMAN SKULL, crane humain

skulls and bone

The mysterious Inca practice of multiple-trepanation

Neanderthal - Wikipedia

TREPANED HUMAN SKULL, crane humain

Skull anatomy: MedlinePlus Medical Encyclopedia Image, skulls and bone

Medieval Woman's Remains Show She Gave 'Birth' In Coffin After Death, Had Brain Surgery