What Are Growing Pains?
Growing pains are deep throbbing pains that occur in the front of the thighs, back of the knee or calf in active children between age three and twelve. What causes the pain is still unclear but the best prospects are muscle or bone fatigue, an anatomical issue causing stress elsewhere or it could be psychosomatic.
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What Are Hernias?

Wed, Dec 25, 2019
A hernia is a protrusion through the abdominal wall. Men and women tend to have hernias in different places in the abdomen due to pregnancy, obesity and the genital anatomy of men. Details of hernia locations are demonstrated with a male cadaver.
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What Are Shin Splints?
Shint splints are still a mysterious malady usually resulting from over exertion of the lower leg. the strain may cause changes in the tibia bone or irritation in the periosteum of the tibia or perhaps be other causes. The best treatment is to rest the limb but massage or a compression bandage may help.
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What Happens During a Heart Attack: Anatomy of a Heart Attack
Using an actual human heart as a visual aid Justin provides a quick heart anatomy lesson including the critical coronary arteries of the left ventricle chamber. A heart attack is caused by a blockage in the coronary arteries. The severity of a heart attack depends on which arteries are effected and, of course, how many of them.
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The Truth About the 'Funny Bone'
Your funny bone isn't really a bone. It's you ulnar nerve. And when you bump it you can feel a jolt that causes numbness in the pinkie and half your ring finger. But continuous pressure on the nerve can lead to pain that requires medical treatment. Jonathoan shows why.
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Why Humans Have Big Butts: Gluteal Anatomy
Your butt is mostly comprised of the largest muscle in the human body, the gluteus maximus. It connects to the pelvis and femur enabling you to stand, walk and run upright. Unlike our furry, four-legged friends' gluteus maximi, as long as you're on your feet it has to be hard at work. No wonder it's big.
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3 BIGGEST Weaknesses of the Human Body
Compared to our four legged friends, standing upright exposed some highly sensitive areas of our bodies. Most notable are the hypersensitive groin with its huge femoral artery, the abdomen with no bone protection of vital organs and the neck with its essential air and blood flow structures.
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What Ibuprofen Does to the Body
Ibuprofen is an NSAID that reduces pain, inflammation and fever by suppressing Cyclooxygenase, COX, enzymes and hence prostaglandins. This is beneficial for reducing prostaglandin induced inflammation but it can also result in vasoconstriction in the kidneys and reduced mucus production which protects the stomach lining from acid.
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How the Heart Changes with Exercise
Jonathan explains the operation of the heart and circulatory system. He then explains how the heart and circulatory system adapts from a resting to exercising body and changes that occur with regular exercise.
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What Testosterone Does to the Body
Testosterone is produced in the adrenal gland of men and in the ovaries but at about one tenth the level that is produced in the testes. It is responsible for the the development of the male sex organs in the male fetus after which it is produced at minimal levels until puberty when it again produces dramatic changes to the male anatomy as described here.
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