Discovery of synthetic steroid hormones has changed human life. Comment..

Answer 1

Steroids have an important role in growth, development, sexual differentiation and reproduction. All four classes of steroids, androgens, oestrogens, progestogens and glucocorticoids, have varying effects on the brain.

Answer 2

A recent example of this is with the coronavirus epidemic. Steroids were administered to patients with covid to help their immune systems fight off the virus. In multiple randomized trials, those who received steroids had better outcomes. See https://www.covid19treatmentguidelines.nih.gov/therapies/immunomodulators/corticosteroids/ for more information.