Constant tiredness and weakness can happen due to many common reasons, such as poor sleep, stress, anxiety, overwork, unhealthy eating habits, dehydration, or lack of physical activity. Medical causes are also important to consider, including low haemoglobin (anaemia), vitamin B12 or vitamin D deficiency, thyroid problems, diabetes, long-standing infections, or low overall nutrition. Sometimes, mental health conditions like depression or ongoing stress can also make a person feel constantly low in energy. To recover, it is important to focus on a balanced diet that includes fresh fruits, vegetables, whole grains, proteins like eggs, pulses, milk, and nuts, along with adequate water intake. Regular light exercise such as walking, proper sleep of 7-8 hours, and stress management can significantly improve energy levels over time. Avoid skipping meals and reduce excessive caffeine, alcohol, and junk food. If tiredness continues for more than a few weeks or is associated with symptoms like weight loss, dizziness, breathlessness, hair fall, or loss of appetite, it is important to consult a doctor for blood tests to check for anaemia, thyroid problems, vitamin deficiencies, or other underlying conditions. Treating the root cause usually leads to significant improvement in energy and overall well-being.

Yes, low Vitamin D and low iron (anaemia) can be related to long-term headaches. Iron deficiency can reduce oxygen supply to the brain and body, leading to tiredness, weakness, and frequent or dull headaches. Low Vitamin D levels may also contribute to muscle pain, low mood, and headache in some people. Since your MRI and EEG are normal, serious brain causes are less likely, and nutritional deficiencies or lifestyle factors may be playing a major role. Treatment should focus on correcting these deficiencies with proper supplements prescribed by a doctor, along with a balanced diet. Iron-rich foods like green leafy vegetables, pulses, beans, dates, jaggery, eggs, and meat (if you consume it) can help improve iron levels, and taking Vitamin D supplements as advised, along with safe sunlight exposure, can improve Vitamin D levels. Drinking enough water, maintaining regular sleep, reducing stress, and avoiding skipping meals can also help reduce headache frequency. Pain relievers may be used occasionally for severe episodes, but they should not be taken frequently without medical advice. If headaches continue even after correcting deficiencies, or if they become severe, one-sided, or associated with vision changes or vomiting, you should consult a doctor again for further evaluation, as other types of chronic headache may need specific treatment. With proper correction of vitamin levels and lifestyle care, many people experience significant improvement in long-standing headaches.

Anisocytosis means your red blood cells are of different sizes, which is usually a sign of an underlying issue like iron deficiency, vitamin deficiency, or sometimes other conditions, and it is not a disease on its own. It may or may not cause symptoms depending on the cause. The next step is to check related blood tests, such as haemoglobin, iron, and vitamin levels, to determine the cause. Based on that, your doctor can guide the right treatment, so there is no need to worry, but it should be evaluated properly.