Coffee is a caffeinated beverage that helps people feel alert. Many people drink several cups of coffee a day to stay awake and increase alertness for effective work. Coffee is also a popular drink worldwide. Coffee also has many health benefits, but drinking too much coffee can increase caffeine addiction, causing restlessness, anxiety, rapid heartbeat, and fatigue. Coffee with too much sugar, milk, and artificial sweeteners can also cause issues with blood sugar and cardiovascular health.
The following 4 beverages help enhance alertness but are considered milder. They have useful effects on improving health, preventing cancer, and aiding weight loss:
Green tea enhances cardiovascular health
Green tea is a popular drink in Vietnam and many countries, praised as a good beverage worldwide. Green tea contains many polyphenols called catechins, specifically epigallocatechin-3-gallate (EGCG) that support some cancers, type 2 diabetes, and heart disease.
A study conducted in Japan showed that drinking 6 or more cups of green tea a day can reduce the risk of developing type 2 diabetes by 33% compared to drinking less than one cup per week.
The antioxidant component EGCG in green tea can break down and dissolve dangerous protein clusters found in blood vessels, thereby reducing the risk of atherosclerosis. This helps reduce the risk of stroke. Another study also found that people who drink 2-3 cups of green tea a day have a 14% lower risk of stroke than those who hardly drink any.
Oolong tea prevents cancer and type 2 diabetes
Oolong tea is a precious tea, rich in polyphenols that have positive effects on health. Made from the same plant as black tea and green tea but processed differently. Oolong tea contains theasinensin, different from catechins in green tea and theaflavin in black tea. Theasinensin is the high-value component of oolong tea. Oolong tea helps prevent diabetes, heart disease, and even cancer.
A study in 10 men and 10 women with diabetes found that drinking one liter of oolong tea per day for 10 weeks significantly reduced blood sugar levels.
Oolong tea is also suitable for people who need to lose weight because they help improve metabolism. Oolong tea also helps increase antioxidant levels, aids in reducing fat and blood pressure.
Black tea helps control diabetes and reduces the risk of cancer
Black tea may play a role in preventing cognitive decline, inflammation, heart disease, diabetes, and potential cancer. Regularly drinking black tea (as well as oolong tea and green tea) helps reduce the risk of developing neurodegenerative disorders, such as memory loss, in older people, especially in older women. Black tea is also a beverage that helps control type 2 diabetes. Especially black tea is rich in flavonoids (a compound found in green tea and other plant-based foods), which can help reduce the risk of cancer. A study published in August 2019 in the journal Nature Communications showed that a flavonoid-rich diet can help protect against cancer and heart disease.
Artichoke tea fights aging and helps restore liver function
Artichoke is a valuable herbaceous plant that thrives in Vietnam. Artichoke tea is an effective cooling and detoxifying drink that many people have used. Artichokes are rich in antioxidants that help slow down the aging process in the body. Moreover, experts have analyzed and stated that the antioxidant compounds cynarin and silymarin in artichokes also help restore liver function.
Artichokes are also a natural diuretic and are high in fiber, making them beneficial for the digestive system. Artichoke tea is also a herbal remedy for insomnia.
These teas are also rich in caffeine to help keep you awake, but more importantly, they are healthier and have many health benefits that are praised worldwide. So instead of drinking too much coffee to help you stay awake, try adding tea to enjoy more health benefits.
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