However, to dangerously overdose on caffeine in a single day by consuming tea alone would require a prodigious drinking effort – around 250 mugs of tea. As with most food items, consumption in moderation poses little to worry about.
Headache. Pain in the left side. Nausea. given by symptoms referable to the digestive organs.
Other research confirms that tea plants naturally accumulate fluoride and heavy metals such as lead, aluminum and arsenic. Fluoride toxicity can result in a variety of health problems such as joint pain, muscle weakness, osteoporosis, kidney problems and more.
Drinking large amounts of black tea -- more than four or five cups a day -- may cause health problems. That's mostly because of caffeine-related side effects. Side effects of black tea (most often in high amounts) may include: Anxiety and difficulty sleeping.
Observational research has found that tea consumption of 2-3 cups daily is associated with a reduced risk of premature death, heart disease, stroke, and type 2 diabetes.
Best for overall health: green tea
When it comes to tea, green tea gets the gold. “Green tea is the champ when it comes to offering health benefits,” says Czerwony. “It's the Swiss Army knife of teas. It covers a lot of territory.”
Teas that are unhealthy include comfrey, kava kava, black, and other teas. A warm cup of tea is a refreshing and soothing drink. Globally, people drink over 2 billion cups of tea daily, making this drink the most popular non-alcoholic beverage. Many people enjoy tea for its health benefits, nutrients, and rich flavors.
Dr Chowdhary added that the paper teas bags have “a chemical called epichlorohydrin, which is used so that the bag doesn't break.” “Epichlorohydrin leaches into hot water, and is a potential carcinogen (a substance that can cause cancer) and reproductive toxin,” she informed.
There are many ways that tea can cause symptoms similar to drunkenness or sickness: Drinking tea, especially stronger varieties, on an empty stomach can cause nausea and a dizzy feeling similar to being drunk. Tea can aggravate digestive or stomach problems such as ulcers or acid reflux.
The severity of symptoms vary from individual to individual, and most commonly include a headache, fatigue, decreased energy/activeness, decreased alertness, drowsiness, decreased contentedness, depressed mood, difficulty concentrating, irritability, and feeling foggy/not clearheaded.
Drinking more than 4 cups of black tea daily is possibly unsafe. Drinking large amounts might cause side effects due to the caffeine content. These side effects can range from mild to serious and include headache and irregular heartbeat.
Drinking Too Much Tea May Cause Negative Side Effects
If you are drinking more than 9 cups a day, you might be overdoing it. Many types of tea contain caffeine which, when overused, can cause anxiety, unwanted stress, poor sleep, increased stomach issues, headaches, heartburn, and create caffeine dependency.
The answer is yes and it's time to limit your consumption. Drinking too much of tea can cause kidney stones and even damage your liver because of its high concentration of oxalate.
Tea, like wine, contains tannin, and consuming it, especially on an empty stomach, can lead you to feel nauseated. Why is tannin in tea to begin with? Tannin is known to kill bacteria, and it's a naturally occurring compound in tea — and especially potent in black tea — that results in that bitter tang.
While a majority of teas are beneficial for your health, you may want to steer clear of these varieties: Detox teas made for fad diets that suggest you will quickly lose weight. These teas often come laced with laxatives that can be harmful to your health. Fancy tea lattes and drinks from your favorite chain store.
Squeezing Out Tea Bags
Because of the high levels of tannic acid in tea, you're actually making the tea more bitter. It's not only weakening the taste, but it's also wearing the strength of the tea bags itself. By squeezing it, you run the risk of tearing the bag and releasing some of the tea leaves into your cup.
In this battle over health benefits, coffee comes out on top. Coffee drinkers can raise a mug to fiber, microbiome health and lowering risk for cancer and diabetes. But tea drinkers, do not despair. Tea is undoubtedly good for your blood pressure, cholesterol, stress levels, mental health and productivity.
Toxic elements
Lead and aluminum are present in tea. In large doses, these heavy metals can be toxic to humans. Minor traces of arsenic and cadmium can also be present in some teas, but not in harmful quantities. Black tea also has high levels of manganese.
Similarly, the concentrations of Mn in tea leaves and infusions of different types tea were the highest among five heavy metals, and the studied heavy metals could be arranged in descending order according to their contents in tea brew as follows: Mn > Fe > Zn > Cu > Pb [13].
What's the better choice, coffee or tea? “Neither is particularly harmful, and both offer an abundance of potential health benefits. Like most things in life, it comes down to portion control and individual preference,” Bollig said. If you aren't sensitive to caffeine, both are considered healthy.