Nearly 13 million Mexicans suffer from premature ejaculation or erectile dysfunction and fail to deal with their problems because of taboos, sexologist Teresa Flores told Efe.

One of every two men over the age of 40 suffers from minor, mild or severe erectile dysfunction, Flores, who also works as a spokeswoman for Boston Medical Group, said.

"The interesting thing is that young men are increasingly more likely to seek specialized assistance due to modern life, stress, a bad diet or other problems," the BMG spokeswoman said.

One of every three men between the ages of 20 and 50 suffers from premature ejaculation, whose causes are mainly psychological and cultural, and are rooted in deficient sex education among the young and fear of sin, Flores said.

Both premature ejaculation and erectile dysfunction are chronic conditions, not diseases, Flores said, adding that they affect a couple's sex life, causing anxiety for the man and frustration for the woman.

Mexico has more than 10 million diabetics, as well as many in the the male population who are overweight and obese, both of which are factors in erectile dysfunction, the sexologist said.

Bad dietary habits, stress, smoking, smog and busy work lives can all contribute to these conditions, Flores said.

All of these conditions can be treated, Flores said, noting that BMG has assisted more than 1 million patients in the developing world.

BMG treats about 45 people a day at its clinics in Mexico, Flores said.

The company has clinics in Mexico, the United States, Spain, Brazil, Argentina, Colombia and the Netherlands.