Answer:
Over one-third of lost weight tends to return within the first year, and the majority is gained back within 3 to 5 years.
Step-by-step explanation:
Answear according to the article <em>Biology's response to dieting: the impetus for weight regain, </em>written by Paul S. MacLean, Audrey Bergouignan, Marc-Andre Cornier, and Matthew R. Jackman, published online 2011 Jun 15.
You can find the article at PubMed Central® (PMC).
PMC is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM).
link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3174765/
