1. Functions include protecting blood vessels, relieving constipation, preventing excessive internal heat and protecting eyes.

2. Cassia seed soaked in water can reduce the incidence of cardiovascular diseases, relieve constipation, and protect the eyes.

3. Side effects include intestinal diseases and diarrhea.

4. Drinking cassia seed soaked in water for a long time may cause intestinal diseases, and cold cassia seed soaked in water may aggravate diarrhea symptoms.

Efficacy and side effects of cassia seed decoction;

1. Functions include protecting blood vessels, relieving constipation, preventing excessive internal heat and protecting eyes.

2. Cassia seed soaked in water can reduce the incidence of cardiovascular diseases, relieve constipation, and protect the eyes.

3. Side effects include intestinal diseases and diarrhea.

4. Drinking cassia seed soaked in water for a long time may cause intestinal diseases, and cold cassia seed soaked in water may aggravate diarrhea symptoms.

Cassia seed soaking in water has the following benefits:

1. Relieve eye fatigue: Cassia seed contains active substances such as brucine, which can relieve eye fatigue, especially for people who need to use their eyes for a long time, such as using a computer or reading books.

2. Improve sleep: Cassia seed contains a small amount of Mongolian glycyrrhizic acid, which can promote the production of neurotransmitter GABA in human body, help improve sleep, and relieve insomnia and difficulty in falling asleep.

3. Diuretic swelling: Cassia seed has diuretic effect, which helps to promote the excretion of waste in the body and reduce edema.

4. Improve constipation: Cassia seed helps to stimulate intestinal peristalsis, increase the number of defecation, and help improve constipation.

However, if you eat too much, you will also have the following disadvantages:

1. Increase the gastrointestinal burden: Cassia seed has a high content of oxalic acid, which will increase the gastrointestinal burden if eaten in large quantities for a long time, which is not good for the stomach.

2. Affect drug absorption: Cassia seed also contains flavonoids, which has strong pharmacological activity and will affect the absorption and curative effect of some drugs.

3. Stimulate allergies: People with allergies may cause allergic reactions by eating cassia seed. If skin itching, shortness of breath and other symptoms occur, stop using it immediately.

4. Dry mouth and thirst: excessive drinking of cassia seed soaked in water may cause dry mouth and thirst, and even lead to oral mucosal erosion.