It's great that you're seeking to understand the rabies vaccine and how it relates to your health. The rabies vaccine is essential for individuals at risk of exposure, such as those who work with animals or have been bitten by one. Even though you do not have a history of animal bites, your symptoms such as tingling, mild anxiety, and muscle twitching might suggest a sensitivity in the nervous system, often classified under a Vata imbalance in Ayurveda. Vata is associated with movement, nerve impulses, and responsiveness. To support your nervous system and immune health naturally, Ayurveda emphasizes a balanced lifestyle and dietary practices that nourish both body and mind. Since you mentioned consuming processed foods, transitioning to a diet rich in whole, nutrient-dense foods is crucial. Focus on incorporating fresh fruits, vegetables, whole grains, and healthy fats. Particularly, warming and grounding foods like cooked grains, root vegetables, and bilva fruit can pacify Vata and boost your overall well-being. Herbs like Neem, Tulsi (Holy Basil), and Brahmi can indeed be beneficial. Neem is considered antibacterial and supportive of overall immunity. Tulsi is known for its adaptogenic properties, helping to manage stress, which can contribute to immune function. Brahmi supports cognitive function and nerve health, which can help reduce anxiety and nerve sensitivity. To further enhance immunity and nerve health, you can incorporate Ayurvedic formulations such as Chyawanprash, which is a nutrient-rich jam made with herbs and spices that boost immunity. Daily oil massages with warm sesame oil can also help ground Vata and improve circulation, enhancing nervous system function. Practices like yoga, meditation, and breathing exercises can significantly reduce stress, which is vital to maintaining a healthy immune response. Adequate sleep and hydration are equally important to rejuvenate your body and mind. In summary, while the rabies vaccine is critical for certain exposures, a supportive Ayurvedic approach through diet, specific herbs, and lifestyle changes can enhance your immunity and promote overall nerve health. Always consult with a healthcare provider before making significant dietary or health decisions, especially if you experience persistent symptoms.