Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Genetic drift and population size.
The tiger, Panthera tigris, was historically found throughout much of Asia, but at low population de
Flipper tags have been extensively used in the study of penguin population dynamics.
GUIDELINES FOR ASSESSING MEMBERS OF VULNERABLE POPULATION GROUPS
Projected Ethnic Changes in U.S. Population to 2050
Working-Age Fraction of the U.S. Population, 1950–2050