Which of the following is not an example of personal hygiene?

A healthy body is desirable by all. However, one should practice good habits to maintain good health. Personal and social hygiene is a must and should be practiced by everyone.

Personal hygiene includes physical exercise, cleanliness, sleep, proper rest, and also other attributes such as staying away from smoking, alcohol, drugs, etc. It is always better to maintain good personal hygiene to prevent dreadful diseases.

Thus, dirty public toilets are not part of personal hygiene.