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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
![California ground squirrel (Spermophilus beecheyi) in the man-made rocky shoreline of the Berkeley M](https://biology-forums.com/gallery/47/medium_27692_23_04_12_3_42_52.jpeg)
![The Movius line separates regions of the world where Acheulean hand axes were made from regions wher](https://biology-forums.com/gallery/47/medium_275510_22_02_15_5_56_55_207692261.jpeg)