Drinking tea on an empty stomach, especially first thing in the morning, might increase acidity and stomach discomfort
Because tea contains tannins and phytates, it may prevent the body from absorbing iron, which could result in low iron levels or anaemia.
Due to theophyllines, drinking tea after a late dinner might interfere with sleep and make it difficult to get a good night's rest.
Drinking more than one cup of tea a day might lead to low iron levels, sleep difficulties, acidity, and disturbed gut health.
Leaching of toxins (BPA) from plastic cups when drinking hot tea increases the risk of metabolic disorders and endocrine disruption.
Adding too much sugar to tea raises the total amount of calories consumed, which raises blood glucose and insulin levels and puts people at risk of several diseases.