2023 – year in review

Fitness influencers and physicians raised alarms about risks of finasteride for hair loss this year, reaching millions of people through tweets, videos and podcasts. On the regulatory front, in France boxed warnings were added to finasteride packaging. Health Canada added a warning about suicidality while the UK regulator launched a safety review. Forty-four relevant research … Read more

Men’s fitness influencers are raising alarms about finasteride risks

Fitness influencers draw in an audience of younger men who want to be stronger, better-performing, and in some cases more attractive. Some guys worry that hair loss will dim their prospects for dating, sex and relationships—or even professional success. In the era of Instagram, body-hacking and telehealth companies such as Hims and Keeps, young men’s … Read more

Firsthand experiences X: Saw palmetto & nettle

Men turn to saw palmetto, a plant-based supplement, because prescription drugs may be unavailable or too costly. Some see the palm supplement as having a lower risk of side effects. Regulators say it is safe, but online, it is not difficult to find reports of men with adverse experiences after using saw palmetto which resemble the post-finasteride disorder.

Polls vs. official data on side effect rates

Since online polls are anonymous, there is less risk to disclosing embarrassing side effects. In online polls, the rate of side effects was 6.2x greater than the rate of adverse events in a clinical trial. The clinical setting may suppress safety concerns in sensitive areas such as sexuality and mental state.

Appendix: Results of online polls on side effects

This is an Appendix to the post: Polls vs. official data on side effect rates. Summary Mobile users: swipe left to see more columns. ID & source Date posted Participants % with side effects % with severe or persistent side effects P1. r/tressless Jan 2016 146 53.4% NA P2. r/HairLoss Jul 2021 110 27.3% NA … Read more