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What are heart sounds and how to know if they’re normal
S1 and S2 are the normal heart sounds you hear when the heart valves close. Heart murmurs are extra sounds that can be heard during systole, diastole, or as a continuous sound. S3 and S4 are abnormal ...
HHS unveiled a new Alzheimer's and dementia plan in Fort Lauderdale focused on prevention and early detection. Here is what is promised and proven. Final CDC Data Put U.S. Fertility Rate at Record Low ...
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