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Author Question: In a conversation, nonverbal regulators indicate who talks when and to whom. This is referred to as ... (Read 65 times) |
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
If you could remove all of your skin, it would weigh up to 5 pounds.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.