Treatment of Depression, Anxiety, and Chronic Pain. Cymbalta May Be Difficult to Stop. Withdrawal Effects Can Be Severe. Increased Risk of Suicidal Thoughts Possible. Short-Term Memory Loss and Brain Fog. Anger and Hostility Reported. Side Effects Include Extreme Sweating. Leg Jerks, Muscle Twitches, and Rarely Seizures.
Children in the fifth grade in the United States are generally 10 to 11 years old. Fifth graders commonly perform research projects that test their writing skills, read literature of various genres, study physical science and basic chemistry, do more complex math problems with fractions and focus on American history.
Since kids generally start kindergarten at age 5, then most  children will be 9 when they start 4th grade. Depending on the  cutoff date, there could be some 8 year olds in 4th grade at the  beginning of the year (if the state allows anyone to start  kindergarten prior to their 5th birthday).