Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular health in healthy young adults and endurance athletes. It can also be a sign of an underlying condition requiring medical ...

I had some random headaches and it felt like a typical sinus infection. 'When I went back to school to teach in September the headaches became more frequent. 'By the start of November I was ...

Primary headaches, where the pain itself is the only problem Secondary headaches, where the pain is caused by another medical condition Many pregnant women report having headaches during pregnancy or ...

These factors have brought fish stocks and the harbour porpoise population (Phocoena phocoena) in the Baltic Sea to the brink of collapse. GEOMAR Helmholtz Centre for Ocean Research Kiel and the ...