This collection encompasses a diverse range of topics related to human health, environmental impacts, and the interplay between biological systems and public well-being. Key themes include diagnostic techniques for diseases, the repercussions of pollution, the effects of climate change on health, and nutritional influences on human metabolism. Additionally, the materials address the significance of various biological organisms, pollutants in water sources, and the role of health policies in managing environmental challenges, underscoring the imperative connection between human health and the environment.