It’s the world’s most common skin disease. Affecting men and women of all ages, acne can be found on the face, neck, back, chest and shoulders. Yet, frustratingly there is no cure for acne, which according to the Australasian College of Dermatologists, will affect 85 per cent of Australians at some time during their lives.

In this issue of Arthritis Research & Therapy, Alves and colleagues [1] reported an interesting preclinical study suggesting that near-infrared light applied to the rat knee has significant benefits on joint inflammation in an animal model of osteoarthritis.