Brendan O'Connor "Acne affects 35% of women and 20% of men"
Nov 15, 2025
Prof. Caitríona Ryan, a consultant dermatologist at the Institute of Dermatologists, dives into the complex world of acne. She explains that acne affects a significant portion of both teens and adults, mainly due to hormonal factors and not poor hygiene. Diet may play a role, but it’s not the sole culprit. Prof. Ryan highlights the psychological effects on teenagers and urges against squeezing spots to avoid scarring. With various treatment options available, she reassures listeners that most cases are treatable.
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Acne Is Extremely Common Across Ages
- Acne covers a spectrum from blackheads to painful cysts and nodules.
- About 85% of people get acne at some stage and many adults continue to have it.
How Acne Develops
- Acne is multifactorial with genetics, environment and hormone-driven oil gland activation.
- Increased oil and skin cell turnover clog pores, then bacteria cause inflamed pimples.
Clean Gently And Use Salicylic Washes
- Wash your face morning and evening to help manage acne but know it isn't caused by poor hygiene.
- Use cleansers with salicylic acid for mild blackheads and pimples.