Medications can be lifesaving and life-improving, but they often come with risks and side effects. Many people don't know how well their kidneys are functioning, so they don't realize that they may need to make modifications to their treatment regimen.

A mounting body of scientific evidence shows that where you live, your race and your socioeconomic status -- not just behaviors -- strongly correlate with HIV infection.

Certainty is seductive. But the reality is that we live in a sea of uncertainty. While the complexity of the kaleidoscopic forces that drive our choices is overwhelming, there are things we can do in order to encourage better decision-making.

It doesn't make sense to wait years for definitive proof before we start a brain-healthy lifestyle. There's no reason to sit around for decades before beginning to protect our brains.