You may use defense mechanisms to help protect you from stress, but they can be both helpful and harmful. Recognizing defense ...

Our tongue is a powerful muscle. Human beings have learned to utilize language to love, comfort, destroy, and even protect our emotions. Defense mechanisms can arise at any moment when we feel ...

Colorectal cancer is one of the leading causes of cancer death worldwide. In recent years, immunotherapies-treatments that reactivate the immune system to attack tumor cells-have transformed the ...

When confronted with an antibiotic, toxic substance, or other source of considerable stress, bacteria are able to activate a defense mechanism using cell-to-cell communication to 'warn' unaffected ...

Insects and plants have an important ancient defense mechanism that helps them to fight viruses. This is encoded in their DNA. Scientists have long assumed that vertebrates - including humans - also ...

A (light green) bacterial cell detects a source of stress and is activated (dark green). It adorns itself with alarmones (depicted as red triangles) and can transmit them via cell-to-cell contact with ...