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Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Structure of a DNA polymerase polypeptide that contains a 3'–5' proofread Structure of a DNA polymerase polypeptide that contains a 3'–5' proofread
Three bonds separate sequential α carbons in a polypeptide chain Three bonds separate sequential α carbons in a polypeptide chain
The β conformation of polypeptide chains The β conformation of polypeptide chains
Structure of a polypeptide Structure of a polypeptide
An orange has four times the fiber of six ounces of orange juice An orange has four times the fiber of six ounces of orange juice
Avocados are a good source of pantothenic acid, dietary fiber, vitamin K Avocados are a good source of pantothenic acid, dietary fiber, vitamin K
Video: First Stage of Labor and Delivery Video

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