Eating too much of these four longevity foods can also be harmful.

For most people nowadays, their diet is irregular and their sleep patterns are abnormal. This leads to many people having unhealthy stomachs. If your stomach is unhealthy, is it enough to just avoid spicy food? Actually, some vegetables can also damage your stomach if eaten in excess.

1. Onion

Onions contain two special nutrients, quercetin and prostaglandin A. Onions can prevent cancer, protect cardiovascular health, stimulate appetite and aid digestion, and have antibacterial properties to fight colds. However, all these benefits are for people with normal gastrointestinal function. For those with stomach problems, eating too many onions can trigger stomach cramps.

2. Tofu

Tofu is made from soybeans and eating more of it can prevent cancer, resist osteoporosis, improve memory, and protect the liver. It is especially helpful for menopausal women as it can also supplement estrogen. Although it has many benefits, tofu also contains high levels of purines, which can promote gastric acid secretion. When the gastric acid exceeds the body's tolerance, it can easily cause bloating and indigestion.

3. Tomato

Tomatoes are rich in vitamin C, are considered "cool" in nature, and can help clear heat and relieve summer heat, benefit the kidneys, and promote urination. Cooked tomatoes can supplement antioxidants and reduce the risk of cancer and heart disease. However, people with a weak spleen and stomach or women during their menstrual period should not eat them raw. Eating them on an empty stomach can lead to excessive gastric acid secretion, causing discomfort, bloating, and pain. Because eating too many can produce a large amount of stomach acid, patients with gastritis or stomach ulcers must avoid them.

4. Broccoli

It is rich in vitamin C and can fight cancer, making it popular with many people. In addition to its anti-cancer properties, it is also rich in ascorbic acid, which can enhance the liver's detoxification ability and improve the body's immunity. However, broccoli contains a large amount of soluble dietary fiber. When it is broken down in the stomach, it produces a lot of gas. For people with a weak stomach, eating too much can lead to bloating.

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