13 Studies
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6216320/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5702468/
https://www.sciencedirect.com/science/article/abs/pii/S0031938418305195
https://www.thelancet.com/journals/landia/article/PIIS2213-8587(14)70200-1/abstract
https://onlinelibrary.wiley.com/doi/full/10.1002/oby.21346
https://www.sciencedirect.com/science/article/abs/pii/S0261561417301474
https://www.sciencedirect.com/science/article/abs/pii/S0195666312000153
https://pubmed.ncbi.nlm.nih.gov/26813524/
https://pubmed.ncbi.nlm.nih.gov/25459211/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5702468/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3780395/
Meta-analysis and Systematic Review:-
https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/effects-of-gradual-weight-loss-v-rapid-weight-loss-on-body-composition-and-rmr-a-systematic-review-and-metaanalysis/427E2A512D278FC053CEBB73995FEEFC
Risks:-