Comprehensive medical evidence from qualified providers forms the cornerstone of successful personal injury cases. Objective findings through diagnostic imaging, surgical reports, and measurable impairments carry more weight than subjective complaints alone. Treating physician opinions generally receive more credibility than doctors hired solely for litigation purposes. Consistent medical records showing progressive treatment and gradual improvement demonstrate legitimate injuries versus exaggerated claims. Gaps in treatment or doctor shopping raise suspicions potentially undermining otherwise strong liability cases. Board-certified specialists in relevant fields provide more persuasive testimony than general practitioners for complex injuries. Medical evidence linking specific injuries to the accident through temporal relationships and biomechanical consistency proves causation. Success requires balancing thorough documentation with avoiding excessive treatment that appears motivated by litigation rather than medical necessity.