Hygiene refers to practices and habits that help maintain cleanliness, health and well-being. It involves keeping one's body clean through regular bathing or showering, brushing teeth twice a day, washing hands regularly, and using deodorant or antiperspirants to control body odor. Hygiene also includes practices that help prevent the spread of infections such as handwashing before handling food, wearing gloves when preparing meat, and avoiding sharing personal hygiene items like toothbrushes or razors. Overall, hygiene is an essential part of maintaining good health and reducing the risk of illness.