The document concludes that scientists created various steroids with different properties, including a more effective semi-synthetic vitamin D.
43 citations,
October 1955 in “The journal of nutrition/The Journal of nutrition” Germ-free rats need biotin for growth and have different vitamin metabolism compared to regular rats.
37 citations,
May 1999 in “Australasian Journal of Dermatology” Early diagnosis and treatment are crucial for preventing permanent hair loss in various scalp conditions, and while new treatments are promising, more research is needed to evaluate their effectiveness.
3 citations,
September 1975 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Pigs can make some essential fats and don't need them all in their diet to grow and stay healthy.
9 citations,
August 1952 in “The Journal of Clinical Endocrinology & Metabolism” A 17-year-old female with adrenogenital syndrome produces very high levels of androgens, which prevent complete feminization despite high estrogen doses.