More actors, filmmakers and execs are using human growth hormone (H.G.H.) in an attempt to reverse the aging process. But is it really doing what its Beverly Hills evangelists are claiming?

“He has been giving himself H.G.H. injections for more than 20 years. And he does look terrific, with smooth skin and a lean body. And, by the way, H.G.H. needles are extremely thin, like those used by diabetics or acupuncturists. H.G.H. therapy, doctors say, is virtually painless.

“There’s just one catch. The vast majority of endocrinologists, when asked about the widespread treatment for H.G.H. deficiency, agree.

“It’s baloney.”