Topic: long time sitting is bad for our health.
Get the articles (website links and authors' name) about sitting health.
If you can get the email address, $20 bonus.
Website contents area includes:
1. Sitting is killing us.
2. Standing desk is not good.
3. Sedentary health.
4. People tried methods to solve the problem.
5. Back pain problems caused by long time sitting.
6. All other related articles talking about sitting health.
Article publication date: better to be within two years.
Article numbers: around 500 hundreds with good quality and without repetition.
Attached documents is a sample list.