Source: A Tea Network
After the Spring Festival, especially during the season when spring lethargy is common, many people choose to drink several cups of strong tea daily. They believe that when feeling tired or drowsy at work, a cup of strong tea can refresh their spirits, helping them get through the day, and importantly, drinking tea can also aid in weight loss and shedding fat. But is gulping down a cup of strong tea really effective? Is it truly good for the body?
In fact, tea leaves contain caffeine, which strongly stimulates the central nervous system, putting the brain in an excited state, so drinking tea can indeed refresh the mind. Moreover, strong tea at a certain concentration has more pronounced effects in strengthening the heart, promoting diuresis, sobering up, aiding digestion, moistening the lungs, resolving phlegm, and clearing heat and toxins.
However, everything has its pros and cons. Frequently drinking strong tea also has significant drawbacks. Because the stimulating effect of caffeine can cause a rapid heartbeat, accelerated blood flow, and faster breathing, it may easily lead to arrhythmia or tachycardia. Therefore, regularly drinking strong tea results in excessive caffeine intake. At the same time, caffeine inhibits the duodenum's absorption of calcium, which over time can lead to osteoporosis.
Tea polyphenols have a strong ability to清除 harmful free radicals and prevent lipid peroxidation; they can increase the activity of metabolic enzymes in the human body, enhance gastrointestinal motility, thus aiding digestion and helping with fat reduction and weight loss. However, the tea polyphenols in tea have a strong收敛性 on the gastrointestinal mucosa. Strong tea has a high content of tea polyphenols, making its收敛性 even stronger, which can slow down stomach contractions and intestinal peristalsis, thereby affecting food digestion and absorption and easily leading to dry stools or even constipation.
Particular attention should be paid by women, as strong tea can also hinder iron absorption, potentially leading to anemia. Therefore, women should try to drink less strong tea during menstruation, pregnancy, childbirth, and breastfeeding. Regularly drinking strong tea can also inhibit mammary gland secretion in lactating women, significantly reducing milk production and affecting breastfeeding.
Although strong tea has the effects of refreshing the mind and reducing fat, we should still consume it in moderation in daily life. Drinking tea scientifically according to one's specific circumstances can better leverage the health-preserving effects of tea.