Drinking tea is not only a way for people to enjoy life, but also a way to cultivate one's body and soul. Among the many types of tea, black tea has won the favor of tea lovers because of its unique taste. Next I will share with you the efficacy and role of black tea, drinking contraindications!
Black tea is the most common type of tea without milk. Black tea is made from a plant scientifically known as the Camellia sinensis family. The degree of oxidation gives it a unique color and flavor that ranges from amber to dark brown and delicious to sweet.
The difference between black tea, green tea and white tea lies in the way they are processed. During the processing stage, black tea is fermented and oxidized. On the other hand, green and white teas are not fermented.
Nutritional Benefits of Black Tea
Black tea contains 5.25 mg of caffeine per fluid ounce. Black tea is rich in antioxidants known as polyphenols and catechins. Its oxidative capacity far exceeds that of oolong, white and green teas. The compounds found in black tea, known as theaflavins and theobromine, have positive health benefits in addition to giving the tea its dark color and distinctive flavor. Unsweetened tea has little or no calories and contains very little sodium, protein and carbohydrates. Black tea is stronger, bolder and more oxidized, and therefore more beneficial than oolong, white or green teas.
The Benefits and Effects of Black Tea
This amazing tea is known for its healing qualities and other benefits and effects. The most powerful benefits are as follows.
Black tea's effectiveness in preventing heart diseases
The high amount of flavan-3-ol, flavonol, theaflavin and gallic acid derivatives present in black tea helps in repairing coronary artery dysfunction in heart patients. It also reverses the abnormal function of blood vessels, which can lead to stroke, atherosclerosis and other cardiovascular diseases. Thus, everyone who drinks it reduces the risk of contracting heart disease.
Black tea's role in cancer prevention
The presence of theaflavins in black tea destroys the abnormal cells in the body before they can cause any major damage or turn into cancer cells. It helps in preventing breast, ovarian, stomach, (especially in pre-menopausal stage in women) and skin cancers. It also helps in increasing the levels of globulin hormone during the menstrual cycle.
Effectiveness of black tea in lowering blood sugar in diabetes
Long-term tea consumption is associated with lower fasting blood sugar levels and a lower incidence of type 2 diabetes. The main bioactive compounds in black tea are the polyphenols that lower the glycemic index.
Stroke prevention effects of black tea
Drinking more than one cup of black tea or green tea a day helps prevent ischemic stroke.
The effect of black tea to improve digestion
Black tea is rich in tannins and other chemicals that have a positive and relaxing effect on the body's digestive system. This anti-inflammatory quality of tea also helps in the treatment of digestive disorders. The chemical compounds  present in black tea also fight stomach ulcers.
The role of antimicrobial activity of black tea
Tea polyphenols are known for their antibacterial activity. Studies have shown that black tea can reduce the risk of H. pylori infection.
It can be an effective foot treatment and eliminates the problem of sweaty, smelly feet. It also closes the pores and prevents frequent sweating. You can also apply frozen black tea bags to razor blocks and burns to soothe rashes, redness and itching.
Stress Relieving Effects of Black Tea
Black tea consumption will not only reduce the production of the stress hormone, cortisol, but will also normalize it. In addition, the amino acid L-theanine in tea relieves stress and promotes relaxation. Black tea intake may accelerate recovery from acute stress that might otherwise lead to a greater risk of chronic diseases such as coronary heart disease.
Black tea for asthma relief
Usually, hot and brewed liquids are known to relieve asthma conditions. Therefore, black tea is very beneficial for asthma sufferers because it widens the airways and makes it easier for them to breathe.
Black tea's effectiveness in improving oral health
The polyphenols in black tea include catechins, flavonoids and tannins that have anti-microbial effects and inhibitory effects on bacteria and salivary enzymes. Taking one or two cups of unsweetened black tea a day can reduce inflammation, prevent tooth decay, and discourage the growth of oral bacteria.
Black tea's effect on increasing bone density
According to studies, older women are prone to a lower risk of fractures when drinking black tea due to the presence of specific types of flavonoids. People also show a lower likelihood of arthritis due to the presence of phytochemicals in this popular beverage.
Other benefits and effects of black tea
Black tea's effects on Parkinson's disease
Black tea tea polyphenols have which help prevent neurodegenerative diseases such as Parkinson's and Alzheimer's. Studies have shown that the neuroprotective effects of black tea have an inverse association with Parkinson's disease.
The role of black tea in treating puffy eyes
Iced tea bags, when applied to the face or eyes, can help eliminate fatigue and puffiness caused by caffeine levels. Store the black tea bags in the refrigerator and apply them to puffy eyes. See the puffiness magically disappear!
Black tea's effectiveness in improving mental focus
Caffeine is found in black tea, a mental stimulant widely used to increase alertness and enhance performance. White, green and black teas contain 14 to 61 mg (6 or 8 ounces) of caffeine per serving, which is less than coffee, but enough to stay alert without causing a caffeine crash.
Black tea's role in treating diarrhea
Due to the presence of tannins, black tea has a therapeutic effect on intestinal disorders. It is best for all diarrhea sufferers to sip regular black tea slowly to get the most benefit.
Black tea is a rich source of antioxidants
Polyphenols such as theaflavins, theobromine and catechins, which are the main components of black tea, are mainly responsible for the antioxidant effects. The antioxidant properties of black tea help inhibit free radical production, scavenge free radicals and help protect cells from DNA damage.
Benefits of black tea skin care
Rich in antioxidants, anti-aging and anti-inflammatory properties, black tea consumption can improve the health and appearance of the skin. When applied to the face, black tea mouthwash adds moisture and radiance to the face, making it an effective remedy for dry skin. Its natural astringent properties tighten the skin and give it a fuller appearance. Black tea also lightens blemishes, age spots, and has a brightening effect on the skin. Black tea is associated with a reduced risk of non-melanoma skin cancer.
Black tea's role in UV protection
UV rays can be very harsh on the skin and prolonged exposure can cause hyperpigmentation. Topical application of black tea and green tea can protect the skin from harmful radiation because of the photoprotective effects of their polyphenols.
Benefits of black tea hair care
The caffeine present in this tea blocks DHT, the hormone that causes hair loss. Drinking tea can help promote hair growth and slow down hair fall. Black tea rinses are great for softening hair and enhancing its shine and color. 20 minutes later, you can use a spray bottle or apply it to your scalp and wash it off with your usual shampoo and conditioner. This is an inexpensive natural way to color your hair and leave it looking healthy and shiny.
Cholesterol Reducing Effects of Black Tea
People who consume black tea can lower their cholesterol levels, which is responsible for heart disease and fatal attacks. It has also been found that people who drink 1-2 cups of black tea a day have a lower risk of heart problems than those who do not drink tea at all or do not drink tea at all. Black tea has also shown anti-hypercholesterolemic effects in subjects at risk for heart disease or obesity.
Black tea's immune boosting effects
Black tea not only fights bacteria, but also boosts the immune system. The rich source of antioxidants in black tea  may prevent DNA damage through free  radical scavenging activity.
Energy-increasing effects of black tea
Caffeine in black tea enhances blood flow to the brain, stimulates metabolism, and provides you with a high dose of energy.
Black tea's effectiveness in preventing kidney stones
Black tea consumption has been associated with a reduced risk of kidney stones . However, it is recommended to consult a doctor before using it for this purpose.
The effect of black tea in the treatment of headaches
The caffeine content in black tea relieves the nervous system and soothes headaches.
The effect of black tea for weight loss
Black tea lowers triglyceride levels and visceral fat. Thus, the consumption of black tea along with lifestyle changes, some of which contribute  in weight loss. It also helps  in preventing inflammation induced obesity.
The effect of black tea in lowering blood pressure
Studies have shown that the consumption of black tea helps in lowering blood pressure. However, its effects are critical to overall cardiovascular health.
Black tea provides well-being factors
Black tea offers a range of health benefits including lower cholesterol levels, reduced cancer risk, lower blood pressure, and stress relief. All of these factors together help to increase the happiness factor multiplier.
Black tea contraindications
Excessive intake of more than 3-5 cups of black tea per day can have a number of side effects, which include
acidity, vomiting, heart arrhythmia and heartburn
Insomnia, sleep problems and restlessness
Tension, anxiety, tremors, rapid breathing
Other contraindications of black tea
Headaches: If you are addicted to tea, then even skipping it once a day may cause dizziness, ringing in the ears, and headaches the next day.
Glaucoma: The caffeine in black tea can increase the pressure in the eyes and lead to glaucoma.
Miscarriage: Pregnant women are advised to consult their doctor before adding black tea to their diet, as it can lead to miscarriage or sudden infant death syndrome. It can also cause decreased birth weight and caffeine withdrawal symptoms in newborns.
Medication: Avoid black tea if you are taking medications or supplements such as calcium, magnesium, etc.