A Kiwi computer guy has learnt the hard way that the sale of penis enlargement pills won’t make you a millionaire – but you will end up in court.

Lance Atkinson has been fined $100,000 after admitting his role in sending spam that clogged New Zealand work inboxes with emails promoting products from Tulip Lab Pharmaceuticals.

The fine gives Mr Atkinson the dubious honour of being the first person in New Zealand to be prosecuted for spamming under the Unsolicited Electronic Messages Act 2007.

Sildenafil, the key ingredient in Viagra, may shield the heart from high blood pressure damage according to a new study of mouse hearts from Johns Hopkins University.

The researchers say sildenafil appears to affect RGS2 (regulator of G-protein signalling 2), a protein essential to reactions that protect the heart’s blood pumping function from escalating into heart failure, according to MedlinePlus.

The findings were published in The Journal of Clinical Investigation.

Men aged 70 and older will be the recipients of free Viagra and other impotence drugs from December 1 in a bid to make citizens happier.

Mayor Marcelo Ebrard explained the move by saying sexuality "Has a lot to do with quality of life and our happiness."

An extract from a plant called horny goat weed may help the 50 per cent of men worldwide aged over 40 who suffer from erectile dysfunction at some point, reports WebMD.

Horny goat weed, also known as Barrenwort, Bishop's Hat, Fairy Wings, Horny Goat Weed, or Yin Yang Huo, and other herbs from the same family are said to have been used as sexual dysfunction treatments for years, and scientists have now inched a little closer to discovering exactly how it works.