Introduction  Heartbreak. The crushing weight in your chest. The racing thoughts. The inability to sleep, breathe, think. Heartbreak isn’t just in your head; it’s in your whole body. From racing pulses to hollow stomachs, heartbreak reveals the deep connection between emotional pain and physical health, triggering a surge

The question of whether human behaviour can fossilise is an unorthodox way of understanding human evolution, particularly in how symbolic behaviour — such as language and rituals — emerged from biological evolution. Understanding the roots of human culture and symbolic expression is not abstract, but rather developed through evolutionary changes in brain