People suffering from hypertension, coronary heart disease, arteriosclerosis and other diseases: long-term or heavy drinking of coffee will increase cholesterol content in the body and cause cardiovascular disease, so people with cardiovascular disease should obviously not drink coffee.
2, elderly women: coffee will make the body needs calcium reduction. If older women drink coffee regularly, fractures are likely to occur.
3. Patients with stomach problems: Drinking too much coffee can lead to deterioration of stomach problems.
Pregnant women: pregnant women drink too much coffee, can lead to fetal malformation or abortion.
Vitamin B1 deficiency: Vitamin B1 plays an important role in maintaining the balance and stability of the nervous system, while coffee has a great destructive effect on vitamin B1.
Cancer patients: Although the link between caffeine and cancer has not been confirmed, it is better not to drink coffee for people who already have cancer.