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 amount of recommended calories per day varies depending on age, gender, height, weight, and level of activity. According to the 2010 Dietary Guidelines, the daily calorie â¦ intake for adult women should be between 1,600 and 2,400, depending on level of activity.For adult men it ranges from 2,000 to 3,000 a day.The more active you are, the more calories are needed per day.0 percent proteins, 10 percent carbohydrates, 10 percent fats Daily calorie intake should be divided into a baseline of 1/4  protein (beans, lentils, lean meat), 1/4 vegeta â¦ bles, 1/4 fruits and  1/4 grains for an adult in good health.