Which organization was the first to suggest the presence of seasonal pattern depression

Researchers at the National Institute of Mental Health were the first to suggest this condition was a response to decreased light and experimented with the use of bright light to address the symptoms.

Explanation:

the correct answer is 4 (giveaways to the public)

something that is given away or gave out for free. an occasion at which things are given away to free. something that is evident or obvious; something that uncovers a mystery.

it could be be in a form of a lucky draw as well. these the company events gather more audience for their pr and it also increases their ratings as well. this is a way to attract more customers towards themselves.

answer; eat a strict gluten-free diet;