Acne is a common skin condition that can affect people of all ages. It occurs when hair follicles get obstructed with oil and dead skin cells, leading to inflammation. Acne can manifest in multiple styles, ranging from small bumps to large lumps. Understanding the origins of acne is crucial for effectively managing this troublesome skin problem.

Pneumonia is the lungs, leading to inflammation in the air sacs. This condition can be caused by various contributors, including bacteria, viruses, and fungi. It's crucial to recognize the signs of pneumonia promptly to seek necessary medical attention. Common symptoms of pneumonia include cough, fever, shortness breathing, chest pain, and fatigue.