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Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
Did you know?
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.