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Coffee is poison for these people! Do not drink even by mistake, it will cause harm instead of benefit.
Samira Vishwas | February 8, 2026 4:24 AM CST

Coffee is often considered an energy-boosting and brain-boosting drink. But coffee is not beneficial for everyone. For some people, its excessive consumption can cause serious harm instead of benefits. If you also drink coffee daily, then it is important to know whether you come in this list.

1. High blood pressure (BP) patients

The caffeine present in coffee can suddenly increase blood pressure.
In people with high BP:

  • Heart beat may increase
  • Discomfort and headache may increase
  • There may be additional pressure on the heart

Such people should give up coffee in limited quantity or completely.

2. People with stomach problems or acidity

Coffee can be harmful for those who have problems with gas, acidity, ulcers or burning sensation.
From coffee:

  • Stomach irritation may increase
  • There may be a problem of acid reflux
  • You may feel less hungry

Drinking coffee on an empty stomach is considered most dangerous for such people.

3. People suffering from insomnia

If you cannot sleep at night or have frequent sleep disturbances, coffee can further increase your problems.
Caffeine:

  • makes the brain more active
  • disrupts the sleep cycle
  • Prevents sleep despite fatigue

Such people should not drink coffee at all after the evening.

4. People suffering from anxiety and nervousness

Coffee can become a trigger for those who suffer from anxiety, panic attacks or stress.
Reasons for this:

  • Heart beat may increase
  • Trembling of hands
  • restlessness and sweating

In case of mental health problems, it is important to limit the amount of coffee.

5. Pregnant women

Consuming too much caffeine during pregnancy can be harmful.
According to research:

  • This may affect the child’s weight
  • Risk of miscarriage may increase
  • Hormonal balance may deteriorate

Therefore, pregnant women should take coffee only in very limited quantities or should drink it only after consulting the doctor.

6. People with anemia (blood deficiency)

Coffee may prevent iron absorption.
If you have anemia and drink coffee every day:

  • Iron deficiency in the body may increase further
  • Weakness and fatigue may persist

In such a situation, one should avoid drinking coffee with or immediately after food.

How much coffee is safe to drink?

per day for a normal healthy person
👉 It is considered better to limit yourself to 1–2 cups of coffee.
But if you have any of the problems mentioned above, it would be wise to stay away from coffee.

Healthy alternatives to coffee

If you want to give up coffee, you can try these options:

  • herbal tea
  • green tea
  • lemonade
  • coconut water
  • turmeric milk

These help in providing energy without harming the body.

Coffee is not elixir for everyone. For some people it can gradually affect like poison. If you already have any disease or have restlessness, irritation or sleep problems after drinking coffee, then do not ignore it. It is safe to drink coffee only in the right quantity and at the right time.


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