ScienceModernglobalhigh confidence

Hermansky-Pudlak syndrome can cause blood clotting problems and can be potentially fatal.

Notes on verification

Confirmed by multiple peer-reviewed medical sources; note claim's 'clotting problems' actually refers to platelet dysfunction causing bleeding tendency, not excessive clotting, but this is a common colloquial framing. Fatal pulmonary fibrosis outcome is well documented. [tier=silver indep_score=0.925 clusters=2 claim_tier=notable]

Sources