Ever since he took on his part-time job late in the evenings, Markus can't shake this cough. He has an appointment to see the do
ctor early this morning before school for advice about how to get healthy again. What is the doctor most likely to tell Markus? Get more sleep to improve your immune system
Get less sleep but improve your muscle strength
Exercise intensely to determine your limits
Overeat for a short period to shift the illness
