May 2023 in “Journal of Clinical Medicine” New understanding and treatments for hair loss are improving, but more research is needed.
February 2023 in “Vaccines” COVID-19 may harm male reproductive health and lower testosterone levels, potentially affecting fertility and causing erectile dysfunction. More research is needed.
September 2021 in “VNU Journal of Science: Medical and Pharmaceutical Sciences” Platelet-rich plasma, which has growth factors, is used in many medical fields and can promote tissue repair, stimulate hair growth, and increase hair density.
April 2012 in “Journal of IMAB” Men with male pattern baldness don't necessarily have high levels of Dehydroepyandrosterone-sulfate, and there's no link between its levels and the severity of hair loss.