How to Stop Biting Your Nails

Health Benefits of Manicures
Exfoliation. Your hands are exposed to more dirt and grime than any other part of your body, so they're constantly making new skin cells and shedding the old. Manicures usually include hand cleaning and moisturizing treatments to exfoliate your skin. This can keep your hands looking smooth and reduce the appearance of wrinkles over time!
Improved blood flow. Moisturizers and cuticle treatments are usually massaged into the skin, which helps to improve blood circulation. This can relieve pain and help your body distribute heat evenly.
Relaxation. Getting a manicure can be a great way to take a mental break in your day and feel pampered. You deserve it!

Foods That Will Help Your Nails Grow
Protein-rich foods: lean meats (chicken, sirloin), nuts, spinach, chickpeas, soybeans, whole grains
Zinc-rich foods: oysters, legumes, red meats (in small amounts)
Calcium-rich foods: chia seeds, white beans, leafy greens, nuts
Magnesium-rich foods: pumpkin seeds, dark chocolate
Biotin-rich foods: bananas, peanuts, lentils, almonds (or almond butter)
Foods with essential fatty acids: tuna, salmon, shellfish, leafy vegetables

Habits to Replace Nail-Biting
Play with a small object. Carry a rubber band, penny, or something else to hold in your hands to play within place of biting your nails.
Distract your hands at key nail-biting times. Identify when you usually bite your nails, such as during car rides or when you're sitting in class, and find a new way to replace the habit depending on where you are. If you're in class, focus on writing extremely thorough notes. If you're in the passenger seat of a car, fiddle with your keys.
Mold silly putty or clay. Try keeping an "egg" of Silly Putty or a piece of clay with you. It is fun to play with and it occupies your hands during biting-prone times.
Keep a coin in your pocket. Try keeping a coin in your pocket, and play with it when you feel the urge to bite your nails.

Hobbies to Try
Cleaning your house. This hobby will pay off in having a cleaner house, which will likely help you feel happier when you spend time at home.
Knitting or crocheting. Learning to knit or crochet can result in beautiful scarves, hats, and sweaters that can make great gifts for your family.
Running. Exercise releases endorphins, which can help to calm your nerves. This would be helpful if you tend to bite your nails when you're nervous.
Nail art. Painting your nails and doing special nail art is a fun and creative way to curb your nail-biting habit!
Clay projects or plaster. This is a perfect art hobby for nail-biters because the plaster flavor stays in your fingers long after you wash it off. This will discourage you from biting.

Ways to Keep Your Mouth Busy
Chew gum or suck on mints or candies throughout the day. Biting your nails will be tough if you're busy chewing gum or taking in the flavor of a delicious sucking candy. Also, the sensation of your bitten nails mixing with the flavor of minty gum or an orange-flavored candy will just be gross.
Snack small throughout the day. Though you should avoid snacking so much that you end up gaining weight, you should carry around healthy snacks like carrot sticks or celery so you can munch on them throughout the day.
Carry around a water bottle. Bring water with you wherever you go so you can always take a sip of water when you're having a weak moment.