The Alzheimer’s Association released a report yesterday with some frightening estimates regarding the future of the brain-wasting disease. One out of every eight baby boomers are likely to develop Alzheimer’s at some point, and the disease is now the seventh deadliest in the country.

By 2010, there will be 500,000 new cases each year. By 2050, that number will jump to a million. This means the costs of caring for these patients are, naturally, going to jump dramatically.

Move over cheddar. It’s time for something hairier…er, healthier. Researchers in Nepal and Canada are reporting [PDF] that yak cheese has higher levels of several healthy fatty acids than the stuff derived from dairy cattle.

When a pile of castor beans and a couple of vials of white powder turned up on Thursday in a room at the Extended Stay America Hotel near the Las Vegas strip, authorities went into panic mode, calling in police, Homeland Security and FBI agents to investigate.

Yesterday morning, 5 am: Oh s***. I'm done for. The viral infection so potent it fells healthy 20-somethings for a week at a time, the epidemic so ubiquitous in our New York offices that it's now referred to simply as the PopSci Plague, the flu that crushes your brain and blows it through your digestive tract has finally come for me. It is my time. I can feel it: A sore throat and vague headache that are the opening salvos of a dispiriting scorched-earth campaign. It's too late to fight.

Or is it?

This isn’t quite a shocker, but scientists are reporting that people who are active during their leisure time look to be biologically younger than their channel- or web-surfing counterparts. The active folks have lower rates of plenty of the bad stuff – diabetes, cancer, high blood pressure, etc. – but the scientists add that their lifestyle might even influence the aging process itself.

Perspiration, however odiferous and uncomfortable, is good. Scientists at Germany's Tuebingen University have discovered an antimicrobial peptide -- a protein that protects the body against attacks from germs -- in human sweat. The new one, Dermcidin, is, according to co-discoverer Birgit Schittek,"the first one known to be produced continuously in the skin." Other types are produced only after injury or infection.