Those with either or both conditions were less able to think on their feet, he said.
"Incompetent individuals were less able to recognize competence in others," the researchers concluded.
Clothing companies were less able to stockpile goods in American warehouses because fashion changes faster for garments than for bicycles.
Three in 10 also said they were less able to pay off their debts now than a year ago.
The subjects felt pain more easily, were less able to inhibit pain, and even developed spontaneous pain, like mild backaches and headaches.
With their faces obscured, they were less able to escape, to resist, or elicit sympathy by making eye contact with bystanders.
Previous studies have found the same link, but were less able to rule out other factors, such as the mother's weight or health.
They were less able to visualize their plane's position, to decide what navigational step should come next, and to diagnose abnormal situations.
Americans who used their homes as piggy banks to finance consumption were less able to do so once home prices began to slip.
It determined that most cushion companies using the glue had fewer than 100 employees, which meant they were less able to absorb the cost of another regulation.
Our entry coincided with a world recession which we, largely as a result of our own earlier policies, were less able to withstand than our new partners.
