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Did you know?
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.