seaweed smell

Can Sargassum Make You Sick? H2S is a broad-spectrum poison that smells of rotten eggs. Breathing in these toxic gases may cause respiratory, skin and neurocognitive symptoms in people that come in close contact with degrading sargasso. … Patients complained of heart palpitations, shortness of breath, dizziness, vertigo, headache, and skin rashes. Is Sargassum harmful