MEXICO CITY -- More than 100,000 elderly men in the Mexican capital can get free treatment to stimulate their sex lives, thanks to a health program launched Friday by the municipal government of Mexico City, where 70 percent of men above 70 years of age suffer erectile dysfunction.

Of the 430,000 senior citizens (men and women) cared for by institutes of health and social services in the capital, 112,000 could benefit from this program, Federal District Health Secretary Armando Ahued Ortega said during an official ceremony.

He said that the beneficiaries should first have a medical exam and if they are found to need treatment they will be given a maximum of four "blue pills" (Viagra) against erectile dysfunction.

The pills cost between 130 and 150 pesos ($10-$11.50) each on the local market.

Present at the event was Raul Resendiz Ponce, a man of 80 and a widow since 2004, who said that the project made him very happy.

"Without a partner you don't feel so much like it but with this (the medicine) I'll have to find a partner to try it out - and let's hope it fills us with energy," the octegenarian told Efe.

The pill "is going to activate us and, be careful! Somebody might end up pregnant," Resendiz grinned.

Older men "have the right to full health and a good sex life for their happiness and a better quality of life," said Mayor Marcelo Ebrard, who attended the ceremony.

"Let's not limit ourselves to economic aid or providing services. Let's also take innovative action to promote a rich, full life" for old people, Ahued Ortega said.

The event was held at the Plaza de la Ciudadela in downtown, Mexico City, a special meeting place for the elderly where hundreds gather every weekend to dance. EFE