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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.
On average, the stomach produces 2 L of hydrochloric acid per day.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.