Elon Musk's changing physique has once again become a magnet for online speculation, with one podcast commentator making the startling claim that the billionaire had taken so much testosterone that it supposedly caused an 'estrogen deficiency'.
The claim, which has circulated alongside theories about liposuction and changing fat distribution, has not been substantiated by public medical evidence, but recent images of Musk have fuelled renewed discussion about his appearance.
