Hair loss from alopecia and other conditions may not be fatal, but they can cause enormous stress and embarrassment to those afflicted, especially with summer coming in hot.

There are many causes of hair loss and an increasing array of new treatments to deal with them, including pharmaceutical interventions, surgery, and biological treatments.

Joining me now is Professor Rodney Sinclair from the Australasian College of Dermatologists, author of 13 textbooks and 400 research publications.