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http://www.nbcnews.com/health/mens-...ia-carries-risk-losing-something-else-n731841
Dr. Irwin Goldstein, director of sexual medicine at Alvarado Hospital in San Diego, says he has treated many men with problems he links to Propecia use. And not all of the problems are sexual, he said.
"I have hundreds of these patients," he told NBC News. "They have low libido. They have flat emotions. They see a woman, they say intellectually, 'I know I am supposed to be interested in you. But I am actually not interested in you'. They have muted orgasms, reduced volume of ejaculate, reduced penile sensation."
It's because the target of the drugs, 5-alpha reductase, affects more than just sexual functioning. Testosterone, like all hormones, has a range of functions and enzymes such as 5-alpha reductase act on more than one hormone. "There are more than 10 very critically pathways that are prohibited from acting," Goldstein said.
Goldstein, who was not involved in the study, said he was not reassured to learn that just 1.4 percent of men had long-term problems. "If it is 1.4 percent and there are several million people on this product, you looking at 300,000 men rendered impotent by a hair loss drug," he said.
"Their only crime in life is to take an FDA-approved drug."
Dr. Irwin Goldstein, director of sexual medicine at Alvarado Hospital in San Diego, says he has treated many men with problems he links to Propecia use. And not all of the problems are sexual, he said.
"I have hundreds of these patients," he told NBC News. "They have low libido. They have flat emotions. They see a woman, they say intellectually, 'I know I am supposed to be interested in you. But I am actually not interested in you'. They have muted orgasms, reduced volume of ejaculate, reduced penile sensation."
It's because the target of the drugs, 5-alpha reductase, affects more than just sexual functioning. Testosterone, like all hormones, has a range of functions and enzymes such as 5-alpha reductase act on more than one hormone. "There are more than 10 very critically pathways that are prohibited from acting," Goldstein said.
Goldstein, who was not involved in the study, said he was not reassured to learn that just 1.4 percent of men had long-term problems. "If it is 1.4 percent and there are several million people on this product, you looking at 300,000 men rendered impotent by a hair loss drug," he said.
"Their only crime in life is to take an FDA-approved drug."
