This natural decline starts after age 30 and continues throughout life.

It is hard to say when or why Morecambe's decline started.

Its last slow decline started in the mid-1970's when city finances hit rock bottom.

The decline of profitability started in the 1950s, when the public sector was small.

A long slow decline started after Miller's death in 1935.

With the 2011 world cup India reached peak position, decline started.

At the country's 21 universities, the decline started with chaos.

Standard trees can make it all the way to 100, though their gradual decline will start at age 50 or 60.

September 2001 will be seen by future generations as the moment America's decline started.

But the decline actually started in the 1950's, when more than a third of the work force was unionized.