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| Old woman showing her makeshift toilet. Credit: UN News By Ojonugwa Yahaya from HipCity Innovation Centre |
Among human communities, there are some behaviours which have negative impact the people and endangers the health of the entire population. Most times, the people ignore the consequences because they believe it is an age-old practice and their forebears were not affected by it, or because of a fear of change. Also, when these people weigh their options and feel the cost of behavioural change outweighs their usual behaviour, they are usually unwilling to change.