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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
![Maxine Williams was the founder and first president of the AAMA. Printed with permission of American](https://biology-forums.com/gallery/47/medium_27_19_05_16_12_15_22_235081321.jpeg)
![The medical assistant holds the position of the thermometer while the temperature is being obtained.](https://biology-forums.com/gallery/47/medium_665046_06_03_17_1_45_26_262972351.jpeg)