Reduces the action of vitamin B1 which is a thiamine and helps in the development of skin and hair.
Reduces the absorption of iron in a body especially from cereals.
Though tea tannins are considered good for skin but they also affect the heart of a person in a seriously negative way.
Tea acts a diuretic which causes frequent urination.
Affects stomach secretions and imbalances the acid levels.
Just like tea, coffee also blocks the action of vitamin B1.
Coffee is also known as the cause of teratomas which is the presence of tumors in the unborn fetus.
Affects water and electrolyte balance of a body.
Adversely affects the blood glucose level and his harmful for diabetic patients.
To reduce the action of these effects one can reduce the consumption of tea and coffee and drink more milk.