Researchers for the first time comprehensively describe existing abnormalities in brain function and structure of long-term marijuana users with multiple magnetic resonance imaging (MRI) techniques. Marijuana. The effects of chronic marijuana use on the brain may depend on age of first use and duration of use. The effects of chronic marijuana use on the brain may depend on age of first use and duration of use, according to researchers at the Center for BrainHealth at The University of Texas at Dallas.
Feeding: The Adult German Shepherd Dog. The adult shepherd will eat approximately 40 pounds of dry dog food per month. Naturally, this will vary depending on the metabolism of each individual animal and it's activity level. Because dogs are born carnivores, many people supplement their dogs diet with meat protein, at least a few times per week.
The Animal Medical Center of Chicago has a chart showing the daily caloric intake for dogs of a variety of weights, ages and status. According to the chart, an 8 pound dog younger than 4 months should eat 552 calories of food each day. If that same dog is an non-neutered adult, his calorie count drops dramatically, to 331 calories per day. Puppies require a higher number of calories because of the amount of growing they do in their first year.