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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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Approximately 500,000 babies are born each year in the United States to teenage mothers.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Abiotic factors influence population densities. Abiotic factors influence population densities.
Florida Panther Florida Panther
Nebulizer. The nebulizer converts a liquid medication to a mist that is easily inhaled. A face mask, Nebulizer. The nebulizer converts a liquid medication to a mist that is easily inhaled. A face mask,
Index of seed size and hardiness prior to, during, and after drought. Index of seed size and hardiness prior to, during, and after drought.
The Warm Mineral Springs individuals from Florida may be among the earliest Paleo-Indian skeletal re The Warm Mineral Springs individuals from Florida may be among the earliest Paleo-Indian skeletal re
Risk Factors for Cancer Risk Factors for Cancer
Video: Natural Selection, Species Isolation and Real World Example

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