You can’t hold your eyes completely still, but what is the purpose of those tiny movements? A new study could explain why we make them — and why we seldom notice them.

The discovery of human embryonic stem cells seemed to offer cures for horrific diseases. After 10 years of research, was that hype? Where are the cures from stem cells?

Activity is not just for the heart: For older people, it spells longevity, mobility, independence. Exercise fights diabetes and MS; even extends the lifespan. Time to get moving?

Skin cancer is rising faster than the price of oil (almost). How can you identify skin cancer? How can you protect yourself? Is ozone loss one of the causes? Does sunscreen prevent melanoma?

Injecting a protein in the brain stifles the drive to drink among lab rats; one dose lasts three hours or more. Does GDNF offer a new angle on alcoholism?

After decades of effort, gene replacement brings eyesight to the blind. How did it work? What does animal research say about gene therapy for curing cancer, reducing pain or reversing muscular dystrophy? Why has gene therapy taken so long?

Financial traders make more money when their blood has more testosterone. Is this another arena where the male hormone leads to success, or could success raise the hormone level?

As pathogenic bacteria advance, scientists are desperately scrounging around for new ways to fight them. But would you believe healing clay, gator blood, honey and crushed leaves?

Before type 2 diabetes or heart disease comes “metabolic syndrome,” a devil’s-brew of high blood pressure, bad cholesterol, a big waist and insulin resistance. Want to stop the slide – without drugs?

Up to 20 percent of cancers are caused by a viral infection. A new study turns cancer-causing viral proteins into a homing beacon to attract radioactive isotopes that kill tumor cells.