Alzheimer’s toll may rank with cancer, heart disease

By Matt Smith, CNN

A third of the brain's volume is composed of blood vessels. Maintaining a healthy blood flow to those blood vessels is critical to keeping the brain young. Here are six ways you can keep your mind sharp: A third of the brain’s volume is composed of blood vessels. Maintaining a healthy blood flow to those blood vessels is critical to keeping the brain young. Here are six ways you can keep your mind sharp:
6 ways to keep the brain young
STORY HIGHLIGHTS
  • A new study suggests Alzheimer’s may be the third-leading U.S. cause of death
  • Current figures are “a gross undercount,” Alzheimer’s Association says
  • The study followed 2,500 patients for 8 years; 400 died of Alzheimer’s
  • Advocates hope the findings will build support for more research