In herbal medicine, Withania somnifera has a long history of use for stress as an adaptogen. Recently researchers took a look on how this might impact body composition in chronically stressed individuals.
Research has long shown a strong relationship between increased body fat and degeneration of the brain. Basically, brain function declines as the size of the belly increases.
Higher percentages of body fat tend to yield a lowered Vitamin D status. However, evidence shows, Vitamin D is important in regulating metabolic markers associated with obesity and PCOS.