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Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Fall Fall
Fall Fall
The Parietal Reach Region The Parietal Reach Region
Percentages of adolescents indicating Benefits and Costs of employment. Percentages of adolescents indicating Benefits and Costs of employment.
Walk around the head of the table to the left side and reach across to perform threecount stroking ... Walk around the head of the table to the left side and reach across to perform threecount stroking ...
Actions of glucagon in liver that lead to a rise in blood glucose Actions of glucagon in liver that lead to a rise in blood glucose
Video: Interpreting a cladogram Animation

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