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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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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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Approximately 25% of all reported medication errors result from some kind of name confusion.

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Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Enzymatic features of DNA polymerase that account for its inability to copy one of the DNA strands a Enzymatic features of DNA polymerase that account for its inability to copy one of the DNA strands a
Baby elephant and its mother Baby elephant and its mother
The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil
Identical twins share 100 percent of their segregating genes. Identical twins share 100 percent of their segregating genes.
Rocking out, baby style: The author’s daughter dances at her first birthday party.    Rocking out, baby style: The author’s daughter dances at her first birthday party.   
Projections of the Racial-Ethnic Makeup of the U.S. Population Projections of the Racial-Ethnic Makeup of the U.S. Population
Video: Embryonic development - Week 4

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