Hello, I appreciate you have a active lifestyle and have given up smoking. Both need a strong will. Lemme first summarize your symptoms: 1) Numbness in both hands 2) Shortness of breath on exertion 3) Dizziness on bending or moving your head 4) Occasional chest pain on left side and pain in left lower limb Numbness in both hands and dizziness or vertigo can be symptoms of the following conditions like: 1) Cervical disc degenerative disease 2) Cervical radiculopathy 3) Cervical spine disc prolapse All the above conditions can be treated as follows: a) Cervical or neck collar b) Pain medication like NSAIDs Ibuprofen twice daily for 1 week c) Refraining from lifting heavy weights and driving for long hours d) Neck muscles strengthening exercises Other symptoms of shortness of breath and chest pain may be due to the following: 1) Right heart failure 2) Congestive cardiac failure 3) Pulmonary hypertension 4) Severe pneumonia 5) Severe bronchitis 6) Myocardial infarction 7) Pulmonary embolism 8) Chronic kidney disease To those who come to my clinic with similar complaints I suggest the following Chest X-ray PA view ECG 2D echo Complete blood picture Kidney and liver function tests I would suggest you to see a physician and undergo the above tests to accurately diagnose your condition and for appropriate treatment. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Pallavi M., Anesthesiologist