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 specific amount of protein you need depends upon your age, sex and level of physical activity, but most adults should consume 5 to 6.5 ounce equivalents per day. An ounce equivalent equals a 1-ounce serving of meat, poultry or fish, 1 egg, 0.5 ounces of nuts or seeds or 1 tablespoon of peanut butter.epending on age, sex and physical activity, adults should consume 1 Â½ to 2 cups of fruit per day. Examples of a 1-cup serving of fruit include one small apple, one large banana, 32 seedless grapes, three medium plums or one small wedge of watermelon.