Living with bad posture can be a dangerous thing. The muscle and ligament imbalances that result from poor alignment can lead to all sorts of problems:
Chronic back, neck, and shoulder pain
Foot, knee, hip, and back injuries
Headaches
Stiffness
Fatigue
Muscle atrophy and weakness
Difficulty breathing
Digestion issues
Impingement and nerve compression
Sciatica
Carpal tunnel syndrome