Water intoxication can be defined as the water poisoning in which there is a disturbance in the brain functions which is caused due to excessive drinking of water.
Water intoxication results when the normal balance between the electrolytes inside the body is disturbed due to excessive water intake.
Hence, it occurs when there is an excessive consumption of water.
Individuals can't change what they already have, some individuals are born with favorable traits, those get passed on while others are less likely (unfavorable traits) to get passed on.