Does eating too many grapes cause internal heat or sore throat?

Eating too many grapes generally does not cause "internal heat" (a traditional concept referring to bodily imbalance), but it may lead to a sore throat. It is advisable to avoid consuming large quantities of grapes at once.

"Internal heat" is usually caused by various factors leading to an imbalance of yin and yang in the body and excessive internal fire. Grapes are considered a neutral food that can help warm the stomach, strengthen the spleen, relieve irritability, and quench thirst. Grapes contain various nutrients such as glucose, fructose, protein, vitamins, and tartaric acid, which help replenish energy required by the body and alleviate symptoms of low blood sugar. Additionally, flavonoids in grapes assist in eliminating free radicals in the body, providing effective antioxidant and anti-aging benefits. Generally, eating grapes in excess does not cause "internal heat."

However, grapes contain high levels of sugar. Consuming too many grapes leads to excessive sugar intake, which may easily cause congestion of the pharyngeal mucosa or increased mucus secretion, resulting in a sore throat. If someone is allergic to grapes, eating too many may also cause significant swelling of the pharyngeal mucosa, leading to throat discomfort.

It is recommended to moderate grape consumption, maintain healthy eating habits, avoid overeating, reduce gastrointestinal burden, and prevent adverse effects on overall health.