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Sleep
Staying up all night to study for a test isn’t necessarily a sign of your commitment to getting a better grade; more likely, pulling an all-nighter is an indication you need to figure out how to better manage your time. Lack of sleep negatively impacts your ability to learn and retain information and can lead to a number of health issues. So instead of working each day nonstop until you pass out from exhaustion, try setting a time to rise and a time to go to bed based on your body’s internal clock. During the day, instead of procrastinating, try to complete your homework a few hours before bedtime. And before you go to sleep, take time to clear your head by reading or meditating.
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Eat well
Sleep is a great way to refuel your body, but be sure to make time for breakfast when you wake up. Eating regularly and eating well helps your brain concentrate, process, and remember information. Your time in the classroom will be much more productive if you’re focused thanks to a healthy meal as opposed to feeling dizzy or experiencing a headache due to skipping breakfast or lunch. Try to eat a variety of foods daily, balancing proteins with high fiber carbs and healthy fats. If you’re really new to this, start a habit of eating one piece of fruit and one vegetable serving daily.
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Drink responsibly
Binge drinking continues to be a pervasive and life-threatening activity among college students. For every person that will try to pressure you into consuming huge amounts of alcohol until you puke, pass out, or end up in the emergency room, there are plenty of other students, teachers, and members of your own family who will applaud you for refusing to destroy your brain, liver, stomach, and whatever clothes you wear for a night out on the town. Think about it; you’re dropping who-knows-how-much money annually to get a degree and you actually want to spend a portion of your valuable time with a bunch of people whose idea of having "fun" is getting drunk? If your answer is "yes," then why not forget about getting a degree? You’ll save yourself and your parents a lot of money, and you’ll have a lot more time to get wasted.
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Relax
Your schedule at college is going to be hectic, so if you want to find time to relax, you’re going to need to calendar it in. Once a day, find a slot of time where you can be by yourself and during that time, try not to think about your academic responsibilities. Meditation, guided meditation, listening to music, reading, and even napping are all activities that can serve the same healthy purpose: to give you time to recharge and take stock of your mental and spiritual health.

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Exercise
Whether you take time out to take a walk around your campus or hit the weights in a gym, some form of regular exercise, be it light or intense, is going to strengthen your immune system, keep your bones strong, improve your complexion, and reduce the number of stress hormones in your body. Even if you’re not an athlete, and don’t think you’re in the greatest physical shape to begin with, consider making some kind of simple, fun physical activity a part of your weekly schedule. You’re not going for an Olympic medal, you’re just trying to stay healthy while in school.
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Clean
To fight germs, as well as the potential for unwanted critters in your dorm room, all you have to do is keep yourself and your environment clean. For starters, wash your hands before and after every meal. It’s one of those simple precautions that can do wonders when it comes to preventing sickness. Wear flip-flops in the dorm room bathroom when you shower and keep your toothbrush off the sinks. To prevent bugs in your room, vacuum it thoroughly at least once a week, and avoid leaving food out for extended periods. If you smell mold anywhere in your dorm building, alert the campus housing or student life staff for assistance.
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Don’t stress
Not stressing is easier said than done and in fact, it’s not abnormal to feel stress given the demands being made on your time while in school. But stress is unhealthy and won’t help you achieve your life goals. All of the tips we mention above, getting better sleep, eating well, and even cleaning, can help to alleviate stress. If the level of stress you are feeling is greater than you can handle, consider visiting your school’s counseling center; there’s nothing wrong with seeking professional help when you’re feeling overwhelmed. In fact, doing so is a sign of strength.
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Use protection
Attention boys and girls: when engaging in sexual activity, use a condom. A condom significantly helps with preventing the spread of sexually transmitted diseases and is effective (though not fool proof) in preventing pregnancy. If you’ve had sex previous to college, get yourself tested for the HIV virus. This is information you’ll want to share with your partner. Avoid the combination of alcohol and sex, since drinking will impair your better judgment regarding health and safety. If you have questions or concerns, your school is likely to have health professionals on staff who specialize in answering questions regarding sex and sexual health.
http://www.onlineclasses.org/2012/09/05/8-tips-for-staying-healthy-in-college/
