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There’s a strange, mysterious world inside us, an alien-looking environment that turns the food we eat into nutrients that keep us alive. Michael Mosley swallows a camera to take a closer look.

Water is an essential nutrient for the body, as the body loses water through perspiration, breathing, bowel movements, and in urine. Water must be consumed regularly to maintain a sufficient level. Water has many vital functions in the body, including… Serving as a lubricant. Water is a main component of saliva, which helps moisten food making it easier to swallow. Water also helps lubricate joints, reducing friction and inflammation. Water is important in body temperature regulation. When body heat rises, such as during strenuous activities, the body starts to sweat to cool itself. And sweat is made up almost entirely of water.

The majority of all headaches are tension related headaches. The blockage of blood circulation along with contraction/shortening of muscles is what causes this condition. This simple technique can take away most tension related headaches in seconds.

How to improve your eyesight at home? Exercising your eyes is one of those simple things that very few people do. However, it can help you maintain excellent vision. Here are 10 exercises that will take you no more than ten minutes to do. You can give them a try right now while watching this video – we are going to do all of them with you! Exercise #1. Blink for a minute. Exercise #2. Rotate your head while staring ahead. Exercise #3. Look to your right and left. Exercise #4. Close your eyes and relax. Exercise #5. Move your gaze in different directions. Exercise #6. Close and open your eyes. Exercise #7. Push against your temples with your fingers. Exercise #8. Draw geometric figures with your gaze. Exercise #9. Move your eyeballs up and down. Exercise #10. Strengthen your eyes’ near and far focusing.

This surgical video explains hemorrhoid repair surgery, the operation used to remove enlarged and symptomatic hemorrhoids. The recording presents what the procedure involves in an educational format for general viewers and patients. Hemorrhoids are swollen veins in the lower rectum and anus.

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Side effects of steroid use on the human body are discussed in this health education video. The presentation outlines how anabolic steroid use can affect different body systems over time. It is a general health information resource for viewers learning about the risks linked to steroid use.