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Nasopharyngeal carcinoma (NPC) is a rare but aggressive type of head and neck cancer that originates in the nasopharynx, the upper part of the throat behind the nose. Unlike other head and neck cancers, NPC is strongly associated with the Epstein-Barr virus (EBV) and has a distinct geographical prevalence, being more common in Southeast Asia
Nasal polyps are noncancerous, soft, and painless growths that develop on the lining of the nasal passages or sinuses due to chronic inflammation. These teardrop-shaped growths can lead to nasal congestion, breathing difficulties, and a diminished sense of smell. Causes and Risk Factors they are often associated with persistent inflammation in the nasal passages and
Nasal congestion, commonly referred to as a “stuffy nose,” occurs when nasal tissues become swollen due to inflammation of the blood vessels. This condition can be caused by infections, allergies, or irritants and may lead to discomfort, difficulty breathing, and sinus pressure. Causes of Nasal Congestion 1. Viral Infections 2. Allergies 3. Sinusitis 4. Environmental
Narcolepsy syndrome is a chronic neurological disorder that affects the brain’s ability to regulate sleep-wake cycles. Individuals with this condition often experience excessive daytime sleepiness (EDS) and sudden, uncontrollable episodes of falling asleep during waking hours. Narcolepsy can significantly impact daily activities, work performance, and overall quality of life. Causes of Narcolepsy Syndrome Narcolepsy is