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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.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Did you know?
Cyanide works by making the human body unable to use oxygen.

