Features

• The Ultimate Blood Test

  A pricey way to determine health risks: 250 tests at once

  Philip Yam   | December 1, 2007  | 0

• Testosterone's Bad Rep

  Hormones don't necessarily make men violent, but they do cause them to seek social dominance

  Christopher Mims   | December 1, 2007  | 0

• Saving Troubled Knees

  Silk scaffolds, grafts from pigs and green tea extracts might someday help keep injured and vulnerable joints active

  Karen Hopkin   | December 1, 2007  | 0

• Is There Really an Autism Epidemic?

  A closer look at the statistics suggests something more than a simple rise in incidence

  Scott O. Lilienfeld and Hal Arkowitz   | December 1, 2007  | 29

• Special Report: Managing Diabetes

  More than 171 million people have this increasingly common condition. But lizard spit, new monitors and an array of other drugs and devices can help control diabetes better than ever

    | December 1, 2007  | 6

• The Skinny on the Environment

  The very structure of our communities may predispose us to inactivity and obesity. Now researchers are remodeling cities for healthier kids

  Kathryn Brown   | December 1, 2007  | 4

• 5 New Year's Resolutions You Owe Yourself

  We questioned health professionals and plumbed the scientific literature in a quest for the most life-enhancing New Year's resolutions possible

  Charles Q. Choi   | December 1, 2007  | 1

• Getting to Know Nutraceuticals

  Claims for some of these food-based dietary supplements stand up to scientific scrutiny, but others falter

  Thomas Hayden   | December 1, 2007  | 11

• Where is the AIDS Vaccine?

  Science gets closer, but a fully effective vaccine against HIV remains elusive

  JR Minkel   | December 1, 2007  | 14

• The Artificial Heart: Not Just a Pump

  The goal of building a safe artificial heart has frustrated bioengineers for more than four decades. At last, an end could be in sight

  Wray Herbert   | December 1, 2007  | 3