Nervous breakdown isn't a medical term, however, nor does it indicate a specific mental illness. But that doesn't mean it's a normal or a healthy response to stress. A nervous breakdown may indicate an underlying mental health problem that needs attention, such as depression or anxiety.ervous breakdown isn't a medical term, however, nor does it indicate a specific mental illness. But that doesn't mean it's a normal or a healthy response to stress. A nervous breakdown may indicate an underlying mental health problem that needs attention, such as depression or anxiety.
This is the side effect of chemotherapy; myelotoxicity, the slowdown of bone marrow function to produce white blood cells, red blood cells and plasma cells, is caused by almost all anticancer drugs. A patient hardly realizes that s/he has the myelotoxicity, unless s/he suffers such complications as infections and bleeding. However, once complications occur, the patient will fall into a critical condition and be vitally at risk.
Phototoxicity, or photosensitization, is a reaction caused when essential oils on the skin are exposed to UV light â whether from the sun or from a tanning bed.Reactions can be severe, and even permanent.Here are some of the signs of phototoxicity: 1  severe sunburn.2  blistering.3  changes in the color of your skin.hototoxicity, or photosensitization, is a reaction caused when essential oils on the skin are exposed to UV light â whether from the sun or from a tanning bed. Reactions can be severe, and even permanent. Here are some of the signs of phototoxicity: 1  severe sunburn. 2  blistering. 3  changes in the color of your skin.