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Asthma cases in Americans are about 75% higher today than they were in 1980.

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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

A recombination-based map of one of the chromosomes of Drosophila A recombination-based map of one of the chromosomes of Drosophila
Nondisjunction of chromosomes Nondisjunction of chromosomes
The Haploid Number of Chromosomes for a Variety of Organisms The Haploid Number of Chromosomes for a Variety of Organisms
The system of naming chromosome bands. Each autosome is numbered from 1 to 22. The sex chromosomes a The system of naming chromosome bands. Each autosome is numbered from 1 to 22. The sex chromosomes a
(a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I (a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I
Evolution of X and Y Chromosomes from Homologous Autosomes Evolution of X and Y Chromosomes from Homologous Autosomes
Video: Frequency of stimulation and force (Recruitment of motor units and force)

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