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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
![Apply stroking from ankle to knee, using both palms to slide along the calf muscles. If hands will ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_7_05_50_333192419.jpeg)
![Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose.](https://biology-forums.com/gallery/33/medium_380798_23_08_17_7_48_42_33373984.jpeg)
![Apply long effleurage stroke to entire arm, from hand to shoulder. Brush off from shoulder to hand. ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_8_48_07_334782336.jpeg)