Pain on the left side of your body can stem from various causes—some minor, others more serious. The exact meaning depends on the location,
severity, and accompanying symptoms. Here’s a quick overview by region: 
Head & Neck (Left Side) Migraine or Tension Headache – Often one-sided,
can cause throbbing or tightness. Sinusitis – Can create facial pain or pressure on one side. Temporomandibular Joint Disorder (TMJ)
– Jaw pain that radiates. 
Chest (Left Side) Heart Attack – Pain may radiate to the left arm, neck, or jaw. Often accompanied by shortness of breath,
nausea, or sweating. Seek immediate medical attention. Angina – Chest discomfort from reduced blood flow to the heart. Costochondritis
– Inflammation of the cartilage in the ribcage. 
When to Seek Medical Help Contact a doctor if pain is: Sudden, severe, or
crushing Accompanied by short
