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CHICAGO, July 11 (Reuters) – The first Alzheimer’s-related changes begin to develop some 25 years before memory and thinking problems appear, according to a new study that may offer a valuable guide for companies looking to test new treatments in people at an earlier stage. The study, published on Wednesday in the New England Journal

Dogs are full of mysteries and secrets. They have a long lost history that they never tell to humans. They have a mysterious way of thinking that only other dogs understand. They have a secret language that they use when they are talking to dogs and people (although humans may not understand what they are

Some memory and cognitive problems that doctors attribute to Parkinson’s or Alzheimer’s may be caused by a different — and reversible — condition called normal pressure hydrocephalus. More.

More good advice from Ask Leo.

By EJ Dionne Jr, The Washington Post Writers Group | Op-Ed The genius of the Founders is that they created a government designed to act, and so I’d propose a new patriotic ritual involving an annual reading of the preamble to our Constitution: “We the People of the United States, in Order to form a

A new Northwestern Medicine study shows for the first time that chronic pain develops the more two sections of the brain — related to emotional and motivational behavior — talk to each other. The more they communicate, the greater the chance a patient will develop chronic pain. The finding provides a new direction for developing