AARP: Brain Health
Provides straight-forward advice on the many ways to maintain brain health

Alliance for Aging Research
Provides excellent guidance on maintaining a healthy brain. Includes links to additional resources.

Alzheimer's Association: Brain Health
Provides an overview of lifestyle choices that will help you maintain brain fitness. Includes references to scientific studies.

Brain Reserves
A blog, written for the layperson, on "brain health and fitness." Includes links to primary sources and recommended web sites.

BrainBashers®
This site contains a "collection of brain teasers, puzzles, riddles, games and optical illusions." All games are free to play.

Braingle®
This site is chock-full of brainteasers, "mentalrobics" exercises, and other free online games designed to enhance brain fitness.

BrainPlace
Dr. Daniel G. Amen, a psychiatrist specializing in brain research, offers advice on such topics as brain exercise and nutrition.

Cognitive and Emotional Health Project: The Healthy Brain
Describes research findings of a major study to assess "demographic, social and biologic determinants of cognitive and emotional health." Sponsored by the National Institutes of Health.

The Dana Foundation
Sites related to brain health, education, and general information for older adults.

Happy Neuron
Offers a fee-based collection of online games aimed to strengthen memory, attention, spatial relations, and other mental skills. Also includes a blog on the subject of brain health. (Free trial membership available.)

The Human Brain
From the Franklin Institute Online. "Here you can get to know your brain - the food it likes, the challenges it craves, the rest it requires, the protection it deserves." Provides information about nutrition, brain injuries, lead poisoning, the effect of exercise and stress on brain functions, and related health topics (such as Alzheimer's disease/dementia, depression, and stroke).

Medline Plus: Alzheimer's Disease
Compilation of links to websites about Alzheimer's disease, "the most common form of dementia among older people. Dementia is a brain disorder that seriously affects a person's ability to carry out daily activities." Includes overviews, news, and resources on symptoms, coping, disease management, related issues (such as depression), research and clinical trials, statistics, and more. Also available in Spanish. From the National Library of Medicine (NLM) and the National Institutes of Health (NIH).

MyBrainTrainer®
Fee-based service offering "short, fun individual exercises designed to stimulate different parts of your brain."

National Institute of Neurological Disorders and Stroke: Brain Basics
Provides an excellent overview of brain anatomy and functions.

National Institute on Aging
Use this site's search box to locate government-sponsored research on brain health. Also see separate site dedicated to Alzheimer's Research.

NIH (National Institutes of Health) News: Mental Exercise Helps Maintain Some Seniors' Thinking Skills
Summarizes findings of a major study on adult cognitive health, entitled "Advanced Cognitive Training for Independent and Vital Elderly (ACTIVE)."

Oasis: Feed Your Brain
Offers nutritional tips and other information on enhancing brain fitness.

Posit Science
This company offers "The Brain Fitness Program," consisting of computer-based exercises meant to enhance brain functioning. Also produces the "Brain Fitness Channel," (http://bfc.positscience.com/) providing free resources on brain health.

ScienceDaily
This well-organized site features breaking science news updated every 15 minutes, daily news stories, and a detailed directory of science and health news items. Links to original sources (mostly university research institutes and government agencies) are provided for all news items. Searchable, or browse by topics such as space, mind and brain, fossils, technology, aging, and robotics. The "encyclopedia" is based on reader-contributed content. From a science writer and editor.

Sharpbrains: Your Brain Fitness Center
This website features links to articles on topics of brain research and operation such as mental exercise, stress management, improving memory, nutrition, and workforce training and leadership. Also includes a blog, newsletter, and glossary. You can use the "Teasers" puzzles on the site to help keep mentally fit. From a consulting company promoting brain health and fitness.

Ten Tips for Maintaining a Healthy Brain
A practical "guide to brain health and wellness," provided by the Metlife Mature Market Institute.

The Virtual Body
An audio-visual tour of the human body. Main sections on the brain, digestive tract, heart, and skeleton. Each section also has links to short articles on the topics from their Health Manual. In English and Spanish. From MEDtropolis, "the online healthcare guide [that] aims to inform, educate and entertain kids and adults in the areas of healthcare and healthy living."