There are some students across the nation pitching tents in libraries in order to cope. While we can't control the amount of exams and homework our professors assign us, what we can control, is our personal choice to take care of our bodies first.
The one habit that can greatly impact all these areas of your life is sleep. Deep, restful sleep can spur fast improvements, and poor quality sleep can cause damage quickly. It's important to understand the effects of sleep, and what we can do to improve it.