The scourge of late night television and advertisements for erectile dysfunction are now unavoidable, showing up in your magazines, in your email and in your AARP newsletter. What is erectile dysfunction, and what exactly do these drugs do?

Hey, guys: have you had trouble 'getting it up' when you and your lover are trying to 'get down'? Having erection problems once or twice is not a big deal.

Men and women have much in common. But let's face it: there are some obvious differences between the sexes, especially when it comes to sexual health.

It's that time of year again - time to make all those resolutions with all those good intentions that go behind them.

By the age of 35, men's testosterone levels begin to drop by one or two percent each year. By the age of 50, 30% of men are already below the normal testosterone range and that number increases as years advance.

You may not have as much control over how long you live as you think. Sure, you can eat right, exercise and not smoke to avoid today's chronic killers. But lifestyle isn't the key to living to 100 and beyond.

The same poor health habits that can lead to heart disease, diabetes and cancer also can contribute to erectile dysfunction (ED). Maintaining a healthly lifestyle is essential to having a vibrant sexual health.