Legal Definition of wage. 1  1 : a payment usually of money for labor or services usually according to a contract and on an hourly, daily, or piecework basis âoften used in plural. 2  2 pl : the share of the national product attributable to labor as a factor in production.
Causes. Sinus headaches can be caused by sinus congestion and inflammation, called sinusitis. Sinusitis, in turn, is caused by either a respiratory infection, such as a cold or flu, or allergies, like hay fever.Healthy sinuses allow mucus to drain and air to circulate throughout the nasal passages.auses. Sinus headaches can be caused by sinus congestion and inflammation, called sinusitis. Sinusitis, in turn, is caused by either a respiratory infection, such as a cold or flu, or allergies, like hay fever.
When your nasal passages swell due to viral or bacterial infections, allergies, pollutants or certain diseases, it constricts the openings to your sinuses. Air and mucus become trapped in your sinuses. And that can cause pain and thickened mucus. That's nasal congestion.. Nasal congestion caused by a cold will last only 1 or 2 weeks and go away on its own. But nasal congestion that lasts longer and is accompanied by other symptoms may be a sinus infection, or sinusitis.