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Too much sugar or too little sugar in our diet can cause headaches.

Blood sugar levels (from too much or too little sugar) and hormonal changes can be responsible for the presence of headaches, and sugar can affect both.

Excessive intake of sugar or processed carbohydrates in meals can lead to hyperglycemia, i.e. high blood sugar levels. Too little carbohydrate intake can lead to hypoglycemia, i.e. low blood sugar levels.

Both of these conditions are seen strongly in diabetes mellitus because in this condition the body cannot properly regulate its sugar levels.

Hypoglycemia

Hypoglycemia and by extension a possible headache can also occur in an improperly balanced weight loss diet, as well as in very intense physical fatigue without quickly replenishing the body with carbohydrates.

Also, skipping, mainly, the main meals (main meals are lunch and dinner) can cause a headache because with only small snacks, the body cannot properly manage glucose.

Hypoglycemia can also be detected by the symptoms that usually precede a headache and these are nervousness, high heart rate, confusion, slight dizziness.

Hyperglycemia

Hyperglycemia can cause a headache because high blood sugar creates slight inflammation in the blood vessels, and these cause a headache and blurred vision.

Hyperglycemia can also cause thirst, frequent urination, fatigue, and difficulty concentrating.

Large amounts of carbohydrates (complex and/or simple) in a meal can easily cause hyperglycemia. Example: eating a large plate of pasta with French fries and bread and then a large amount of sweets, hyperglycemia is a given.

To avoid sugar-related headaches, we must:

1. Eat regular and nutritious meals

2. Choose unprocessed complex carbohydrates, such as fruits, vegetables, legumes, whole grains

3. Avoid eating large amounts of food at our meals

4. Minimize sugary drinks, sweets, candy, and foods with added sugar in general