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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.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
The human body produces and destroys 15 million blood cells every second.