Consuming certain foods, particularly those that strongly stimulate the senses or salivary glands like sour or spiced foods, can trigger gustatory sweating as a normal physiological reflex.
The retrieved literature confirms that gustatory stimuli, including strong food tastes that provoke salivation, can trigger sweating via the nervous system. While highly spiced foods are most commonly cited, sour tastes provide a strong gustatory and salivary stimulus known to evoke gustatory sweating responses.