Radioactivity is the process by which unstable atomic nuclei release energetic particles to become stable.
The energy and particles released during the decomposition process are called radiation.
When unstable nuclei decomposes in nature the process is referred to as natural radioactivity.
When the unstable nuclei is prepared in the laboratory , the decomposition is called induced radioactivity.
HEALTH EFFECTS DUE TO RADIOACTIVITY :----
Radioactive materials that decay spontaneously produce ionizing radiation.
Any living tissue in the human body can be damaged by ionizing radiation in a unique manner.
Sometimes body can repair that damage by itself but sometimes the damage is of a nature that can not be repaired.
Some other effects are Hair loss , changes in blood chemistry , vomiting , fatigue e.t.c.
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