Dr Jeffrey Kalei

Dr Jeffrey Kalei

Author and illustrator for Hyperexcision. Interested in emergency room medicine. I have a passion for medical education and drawing.

Acne Vulgaris

Overview Acne vulgaris (aka ‘acne’) is a very common disorder of the pilosebaceous follicles (oil glands). It results from excess production of sebum, which is related to androgen (testosterone) levels. It is associated with psychological distress (including depression, anxiety, and…

Rheumatoid Arthritis

Rheumatoid arthritis is a chronic systemic inflammatory disease characterised by severe symmetrical peripheral joint pain and deformation due to erosive arthritis. It is progressive and drastically reduces quality of life, hence early referral and treatment are important. It is linked…