What tea should not be drunk by people over 80 years old

Generally speaking, there is no tea that is not suitable for the elderly over the age of eighty, but when drinking tea, you need to pay attention to the amount of tea you drink, avoid drinking too much, and you should not drink strong tea, so as not to cause discomfort.
Tea is rich in vitamin C and tea polyphenols and other functional components. Vitamin C and tea polyphenols can play a very good antioxidant role, so drinking tea to some extent beneficial to human health.
However, tea is also rich in caffeine. Excessive intake of caffeine can cause insomnia, panic, polyuria, gastrointestinal peristalsis accelerated and other physical symptoms.
Many people over the age of eighty suffer from underlying diseases, including coronary heart disease, hypertension, etc. Excessive intake of caffeine may aggravate the discomfort of the elderly, which is not conducive to good health.
Therefore, there is no inappropriate tea for the elderly over the age of eighty, but it needs to be consumed in moderation, and it is not advisable to drink strong tea.