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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.