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Author Question: Bell Telephone Laboratories invented the ________, which replaced the vacuum tube. (Read 361 times) |
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.