Steroids are hormones that occur naturally in the body. Steroid medicines are man-made and are similar to the natural hormones made in the body. Longer-acting steroid injections may take about a week to become effective but güç then be effective for two months or even longer. There is no evidence https://bbs.pku.edu.cn/v2/jump-to.php?url=https://tr.wikipedia.org/wiki/Vitamin