What are the human effects of water lilies?

Water lilies can have both positive and negative effects on humans. On the positive side, they enhance the aesthetic value of water bodies, support biodiversity, and can improve water quality by providing habitat for aquatic life. However, excessive growth can lead to waterway obstruction, hinder recreational activities like boating and swimming, and potentially disrupt local ecosystems. Additionally, they can be a source of allergens for some individuals.