When a maize plant is attacked by the fungus Ustilago maydis, tumor-like tissue growths occur at the site of infection. How the pathogen causes this response in its host has long been unknown. But a ...

Skin tags are typically harmless and not dangerous. They are benign growths and do not usually cause pain or discomfort.

Basal cell skin cancer, the most common type, can easily be mistaken for a harmless pimple due to its appearance as a ...