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Going without sleep can become dangerous quickly, with symptoms like cognitive impairment and hallucinations appearing after just a few nights. After 24, 36, 48, and 72 hours without sleep, problems ...

Respiratory tract diseases are illnesses that affect components of the respiratory system, including the nasal passages, the bronchi and the lungs. They range from acute infections, such as pneumonia ...

Bacterial infection refers to the invasion of a host's tissue by a pathogenic bacteria. Neurotrophic factors have been shown to be involved beyond the neuronal system. Here the authors show brain ...

MEMPHIS, Tenn. - Make sure to get outside. It's a chilly start to the day with patchy fog. Temperatures this Monday afternoon will be unreasonably warm in the upper 60s, near 70 degrees, across the ...