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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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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.
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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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The horizontal fraction bar was introduced by the Arabs.