In behaviorism, the stimulus-response method highlighted the contributions of

diabtes type 1

explanation:

eat sweets get read spots

No they can't be cured since they aren't just a regular sickness just like the flu can't be cured and the corona virus can't be cured.

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Corona Virus originated in Wu Han China and quickly spread across the world through trade routes

Explanation:

The global response to the Corona Virus was to shutdown, Lockdown, mantain hygiene and Social distancing