Diseases, Conditions, Syndromes

Earliest known evidence of 1918 influenza pandemic found

Examination of lung tissue and other autopsy material from 68 American soldiers who died of respiratory infections in 1918 has revealed that the influenza virus that eventually killed 50 million people worldwide was circulating ...

Diseases, Conditions, Syndromes

New study probes macrophages' role in developing pulmonary fibrosis

Scientists have long known that white blood cells called macrophages accumulate in the lungs of people suffering from pulmonary fibrosis. What role macrophages play in developing the often fatal lung disease is less clear.

Oncology & Cancer

How chronic stress spreads cancer

Stress is inevitable. But too much of it can be terrible for our health. Chronic stress can increase our risk for heart disease and strokes. It may also help cancer spread. How this works has remained a mystery—a challenge ...

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