See the rest of Slate’s Fitness Issue. A few years ago, a team of Iranian scientists in the city of Isfahan put about two dozen male rats on a strict exercise program: The animals were forced to run ...

A high-fat diet appears to make you dumber, but exercise makes you smarter. At least if you’re a rat. That’s what researchers at the University of Minnesota and the VA Medical Center found, according ...

Although exercise is good for your health, extreme exercise may be physically addicting. Rats given a drug that produces withdrawal in heroin addicts went into withdrawal after running excessively in ...

Scientists from Leiden University Medical Centre in the Netherlands filmed wild mice using an outdoor wheel for three years to analyse their behaviour They found the behaviour is natural even if the ...

Exercise may not erase old memories, as some studies in animals have previously suggested. Running on an exercise wheel doesn’t make rats forget previous trips through an underwater maze, Ashok Shetty ...

Body weight gain, fat pad weights, food intake, plasma leptin and insulin levels were assessed in outbred male Sprague–Dawley rats, which remained sedentary or were given unrestricted access to ...