First of all, your question title asks about suppression, and your question in the main text asks
What you need to be careful about here is that repression is different tofrom suppression.
Wegner, in the above referenced journal article, points out a lot of evidence to back the thoughthought that any attempt to suppress thoughts or desires will be in vain as they will rebound. Whether or not they become stronger is open to interpretation, as it is concluded that
With Sigmund Freud, a lot of people get hung up on the sexual elements of his theories when really, Freud’s theories centrescentre on his motivation and drive theory, and they centre on all sorts of pleasure. We are motivated towards whatever brings pleasure and are motivated away from pain, difficulty, destruction, confusion, etc.
You Can't Always Think What You Want: Problems in the Suppression of Unwanted Thoughts (Wegner, 1992) is an article covering articles, etc. from Freud onwards.
What you need to be careful about here is that repression is different tofrom suppression.
Now, think about suppression in a quote provided by Wegner in the above article.