In simple obesity (body mass index = 30.034.9 kg/m2), the annual probability of attaining normal weight was 1 in 210 for men and 1 in 124 for women , increasing to 1 in 1290 for men and 1 in 677 for women with morbid obesity (body mass index = 40.044.9 kg/m2)
In brief, genomic DNA was used to carry out quantitative and qualitative control, library preparation and shotgun metagenomic sequencing on NovaSeq X Plus (Illumina, San Diego, California, United States) of paired-end 150 bp fragments with a target output of 6 Gb of raw data per sample
References Villani RG, Gannon J, Self M, Rich PA
Epub 2014 Apr 29
To summarize, Vitamin C is essential (meaning your body cannot make its own Vitamin C, you get it from food or supplements)