Left-Sided Numbness: Causes and Solutions for Young Adults - Neurosurgery

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Body paralysis


Hello, doctor.
I am 20 years old and recently started to feel a slight tingling sensation on the left side of my body.
Sometimes it's in my arm, and other times it's in my entire leg, but it's always on the left side.
I began an internship this summer where I sit in front of a computer for 8 hours a day and have been exercising very little.
Most of the information I found online is related to stroke warning signs.
Is it really possible that this is the case, or could it be due to poor blood circulation from lack of exercise? This has been happening for almost three weeks now! I hope you can provide me with some answers on how to improve this issue.

Wang Wang Er, 20~29 year old female. Ask Date: 2012/08/13

Dr. Xie Bojun reply Neurosurgery


Hello: Your complaint is concerning, and simply inquiring with neurosurgery will not be able to address your questions.
I recommend that you visit the neurology department at the hospital for an evaluation, as further diagnosis can only be made through examination.

Reply Date: 2012/08/13

More Info


Hello! Thank you for reaching out with your concerns regarding the left-sided numbness you’ve been experiencing. It’s understandable to feel anxious about symptoms like these, especially given the potential seriousness of conditions such as stroke. However, let’s explore the possible causes and solutions based on your description.

First, it’s important to note that numbness or tingling sensations, particularly when localized to one side of the body, can arise from various causes. While stroke is a serious condition that can present with sudden numbness, especially if accompanied by other symptoms like weakness, confusion, or difficulty speaking, it is less common in young adults without other risk factors.
Given your age and the context of your symptoms, it’s more likely that your numbness is related to lifestyle factors, particularly your recent experience of sitting for long hours at a computer during your internship. Prolonged sitting can lead to poor posture, which may compress nerves or restrict blood flow, resulting in numbness or tingling sensations. This is often seen in conditions like thoracic outlet syndrome or carpal tunnel syndrome, where nerve pathways are affected by posture or repetitive strain.

Additionally, if you have been less active, it could contribute to decreased circulation, which might also explain the numbness. Lack of movement can lead to muscle tightness and tension, particularly in the neck, shoulders, and back, which can further exacerbate nerve compression.

To address your symptoms, here are several recommendations:
1. Posture Correction: Ensure that your workstation is ergonomically set up. Your chair should support your lower back, and your computer screen should be at eye level to prevent straining your neck. Keep your feet flat on the ground and your arms at a comfortable angle when typing.

2. Regular Breaks: Implement the 20-20-20 rule: every 20 minutes, take a 20-second break to look at something 20 feet away. This helps reduce eye strain and encourages you to move around.

3. Stretching and Strengthening: Incorporate stretching exercises into your daily routine to relieve muscle tension. Focus on stretches for the neck, shoulders, and back. Strengthening exercises for your core can also help improve posture and reduce the risk of nerve compression.

4. Physical Activity: Aim to increase your overall physical activity. Regular exercise can improve circulation, reduce muscle tension, and enhance overall well-being. Activities like walking, swimming, or yoga can be beneficial.

5. Consult a Healthcare Professional: If your symptoms persist or worsen, it’s advisable to consult a healthcare professional. They may recommend a physical examination, and if necessary, imaging studies to rule out any underlying conditions.

6. Mindfulness and Relaxation Techniques: Stress can also contribute to muscle tension and exacerbate symptoms. Consider incorporating mindfulness practices, such as meditation or deep breathing exercises, to help manage stress levels.

In summary, while your symptoms may understandably raise concerns about serious conditions like stroke, they are more likely related to lifestyle factors such as prolonged sitting and poor posture. By making adjustments to your work environment, increasing your physical activity, and seeking professional advice if needed, you can likely improve your symptoms and overall health. Remember, taking proactive steps towards a healthier lifestyle is key to preventing future issues. If you have any further questions or concerns, don’t hesitate to reach out!

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