Damaging Effects of Tea and Coffee Consumption
Tea
- Anti-thiamine action and thiamine inactivation. This means that
tea blocks the action of Vitamin B1.
- Contains fluorine at substantial levels and also fluor-aluminium
complexes.
- Inhibits absorption of iron, especially from cereals. High levels
of Vitamin C minimize this action.
- Has a diuretic action, which, as a consequence, upsets Na/K balance
in favour of sodium.
- There is some evidence of carcinogenic effects from tea tannins.
- Tea tannins affect the heart and can cause heart-muscle lesions
in rats.
- Some statistical evidence links tea-drinking in expectant mothers
with congenital abnormalities in their babies
Coffee
- Affects stomach secretions, including HCI - stomach acid.
- Affects acid/base equilibrium in the body.
- Upsets electrolyte balance, especially Na and K and upsets water
balance - a definite diuretic.
- Like tea, has anti-thiamine action.
- Increases atherosclerosis.
- Affects behaviour.
- Gives rise to methylitrosourea that may be a cause of bladder tumours.
- Adversely affects blood fatty acids and blood sugar control.
- Some work suggests a link with teratomas, ie tumours of the unborn
foetus.
- Has been linked with duodenal ulcers.
- Has a mutagenic action. ie causes abnormal germ cells - viz sperm
and ova.
- Inhibits iron absorption.
- Produces nitrosamines, which are known cancer-causing agents.
- Statistically, high coffee consumption is correlated to the incidence
of carcinoma of the pancreas.
- De-mineralises the tissues.
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