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Author Question: ADHD is hypothesized to be a. caused by socially overly stimulating environments b. a ... (Read 40 times) |
The human body produces and destroys 15 million blood cells every second.
Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
Blood is approximately twice as thick as water because of the cells and other components found in it.
There are more bacteria in your mouth than there are people in the world.
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.