In India, tea is a common habit, from the first cup of tea in the morning to relieving evening fatigue. Many people drink 6-7 cups of tea a day, considering it a part of their daily routine rather than a habit. But did you know that the caffeine, tannins, and other compounds present in every cup of tea can gradually disrupt your body's hormonal balance?

Excessive tea consumption not only affects digestion and sleep, but can also have a profound impact on five important hormones – cortisol, thyroid hormone, estrogen, testosterone, and insulin. Let's explore in detail the problems this habit can lead to.
1. Cortisol Hormone (Stress Hormone)
The caffeine in tea directly activates the adrenal glands. This results in increased cortisol levels in the body. Persistently high cortisol levels contribute to problems like stress, anxiety, irritability, weight gain, diabetes, and insomnia. This is why excessive tea drinkers often experience anxiety and fatigue.
2. Thyroid Hormones
If you have a habit of drinking strong black tea or tea with high fluoride content, it can hurt the thyroid gland. Some compounds in tea can also reduce the effectiveness of medications. Excessive caffeine disrupts the production and absorption of thyroid hormones (T3 and T4). As a result, you may experience fatigue, abnormal weight changes, metabolic disturbances, and symptoms of hypo/hyperthyroidism.
3. Estrogen (Female Hormone)
The catechins and caffeine found in green tea and other teas can affect estrogen metabolism in the liver. Excessive tea consumption can cause hormonal imbalances in women, menstrual irregularities, increased PMS symptoms, and impact fertility. Although the effect can vary from person to person, experts agree that a balanced intake is best.
4. Testosterone (Male Hormone)
Excessive caffeine intake increases cortisol levels, which directly impacts testosterone production. As a result, men may experience problems like decreased libido, slowed muscle growth, lack of energy, and fatigue.
5. Insulin
Caffeine affects blood sugar levels and insulin sensitivity. This effect can be exacerbated if tea is frequently consumed with added sugar. Drinking too much tea can increase the risk of diabetes, increase appetite, increase weight, and fluctuate energy levels.
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