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Author Question: Which of the following refers to twisting of a shaft while one end of the shaft remains fixed and ... (Read 60 times) |
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.