Acne is a common skin condition that can affect people of all ages. It occurs when hair follicles become clogged with oil and dead skin cells, leading to irritation. Acne can manifest in multiple styles, ranging from mild pimples to severe cysts. Understanding the causes of acne is crucial for appropriately addressing this frustrating skin problem.

Pneumonia affects the lungs, leading to inflammation in the air sacs. This sickness can be caused by various organisms, 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, trouble breathing, chest pain, and fatigue.