Why do painters drink buttermilk?

Painters often drink buttermilk as a traditional remedy for staying cool and hydrated while working in the heat. It is believed to help replenish electrolytes and provide energy, making it a popular choice among laborers. Additionally, buttermilk is thought to aid digestion, which can be beneficial for those consuming heavy meals during long workdays. This practice is rooted in cultural habits and the need for practical nourishment on the job.