We estimate a million men aged over 35 in England and Wales need to get more exercise if their age group is to be as active as younger men.

BBC: Too many men 'unconcerned' about weight health risks

But Miller, now 65, a former hospital food-service director in West Virginia, discovered a lifesaver--not more drugs but a program of daily exercise, stress reduction, group support and a diet very low in fat and high in vegetables and whole grains.

FORBES: Just Say No

People from South Asia are more likely to exercise if it can be done as part of a group, according to research by a Stirling University scientist.

BBC: Stirling study says South Asians prefer group exercise

But most schools found the exercise more difficult than expected, said Cliff Adelman, a senior associate with the Washington-based policy group.

WSJ: Colleges track former students to boost degrees