Raynaud’s phenomenon is characterized by periods of disrupted blood flow in the fingers caused by exposure to cold or stress. The condition s relieved by warming the affected parts. It is estimates that about 4 % of the US. Population suffers from the primary form of this phenomenon, the so-called Raynaud’s disease. Secondary Raynaud’s phenomenon occurs in association with connective tissue disease (progressive systemic sclerosis)

Researcher at Albany medical college now report that supplementation with marine oils significantly reduces the symptoms of Raynaud’s disease (primary Raynaud’s Phenomenon) but has no beneficial effects in Secondary Raynaud’s Phenomenon.