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Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.