12 People Who Should Never Drink Coffee

"Caffeine can improve bowel regularity, including the risk of diarrhea," says Angel Planells, MS, RDN, a Seattle-based registered dietitian nutritionist 

1. People with IBS.

According to a recent study, persons with glaucoma should limit or prevent coffee consumption, although additional research is needed.

2. People with glaucoma.

"We all know not to drink too much coffee before a lengthy travel, especially if bathroom stops are limited. 

3. People with overactive bladder.

"Because coffee's caffeine might temporarily raise blood pressure and heart rate,

People with heart conditions

The American College of Obstetrics and Gynecology suggests pregnant women limit caffeine to 200 mg daily

5. People who are pregnant.

"Because coffee is a stimulant and diuretic, breastfeeding mothers may be dehydrated

6. People who are breastfeeding.

Your coffee habit may continue a cycle of poor sleep and weariness, explains Heikkinen. 

7. People with sleep disorders.

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