Answer:
Scientific studies has found no bases for the claim.
Explanation:
The rumor that vaccines is link to autism spectrum disorder has no bases because it has not been proven scientifically.
It should be noted that before a notion can be accepted scientifically, it must pass through observations, gathering of data, forming and testing theories, and interpreting results.
But the news going around that vaccine is link to autism spectrum disorder, didn't pass through those processes, that's why it is not scientifically accepted.
Note that, autism spectrum disorder is a disorder that affects communication, behavior, thinking and feeling.
Answer:
More than 11 300 readers voted for the introduction of clean water and sewage disposal—“the sanitary revolution”— as the most important medical milestone since 1840.
Explanation:
Medical milestones | The BMJhttps://www.bmj.com › content › medical-milestones
A child who skins his knee in a fall has an abrasion.
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Vomiting, mood swings and headaches
