Guwahati, Aug. 20 -- For many women, periods often bring more than just cramps and fatigue-they bring an undeniable craving for chocolate.

From a silky bar of milk chocolate to a rich piece of dark chocolate cake, the urge for something sweet and comforting during this time is almost universal. But what drives this craving? The answer lies in both biology and culture.

Doctors say hormonal changes during the menstrual cycle are largely responsible. When estrogen and progesterone levels dip, so does serotonin-the brain's "happy hormone."

This can trigger mood swings, irritability, and tiredness. Chocolate, especially varieties rich in cocoa, helps stimulate serotonin and endorphin release, which explains why it feels like an instant mood...