Describe how antihistamines alleviate symptoms of allergies and allergic reactions. Discuss how antihistamines block histamine receptors, particularly H1 receptors, thereby inhibiting the effects of histamine release and mitigating symptoms such as itching, sneezing, and runny nose.
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I am running a YouTube channel but watch time is not reaching to threshold, how it could be possible? Can I watch myself to reach 4000 hours.