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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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![Standing at the side and facing the head, apply shingles effleurage to paraspinal muscles of the ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_35_49_331621495.jpeg)
![Apply direct thumb pressure into points along the upper trapezius from base of neck to shoulder. ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_35_50_331692418.jpeg)
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