nutritionist jax hubbard has advice on protecting yourself from injuries now and later.ll, calcium is a mineral that's stored in our bones, and during your teenage years, you want to make sure that you're getting enough calcium to protect you later in life. now some obvious food sources that you may know about are milk and cheese and yogurt. dairy foods have a lot of calcium in them. but there are also not-so-obvious foods that are good sources of calcium, such as green leafy vegetables, beans, tofu, and some nuts. a good after-school snack could be a stick of mozzarella cheese or a handful of almonds. either of these snacks can keep you going till dinner and make sure your bones are going for a lifetime. and don't forget to get enough exercise. your bones will thank you later. >> thanks, jax. we'll see you next time. >> thank you. ght as air. yourur mood and your makeup. makeup like you've never seen before. new revlon® photoready airbrush™ mousse make up. unique air-infused mousse formula blends easily for a smooth, poreless, airbrushed finish. >> you might not be able

jax hubbard is a nutritionist with some tips on how to make sure you're eating the right stuff. >> first for whole grains, lean meats that are baked instead of fried, and colorful fruits and vegetables, including leafy greens. as far as beverages, you want to stick to water or skim milk, instead of sweetened drinks like iced teas and sodas. and if you're going to drink fruit juice, make sure it's 100% fruit juice. >> thanks, jax. seems like a little bit of hunting around the lunch line can go a long way. >> in "college & u," lauren takes a look at a kind of college that won't accept half the population. >> at first glance, new york's barnard college looks pretty typical for a small school in a big city. located in upper manhattan, the campus is compact, covering just a few city blocks. about 2,400 students come here from all over the world, so therelots of diversity. but all barnard students have one particular thing in common -- they're all women. barnard is what's called a single-sex college. >> there are probably about 60 or 70 all-women's colleges out there in the united states now.

nutritionist jax hubbard can show us what a normal serving should look like. >> well, it's always good to take things in our surroundings to use as a standard for determining portion sizes. for example, one slice of bread is about the size of a cd case. a serving of cereal should be about the amount that'll fit into two handfuls. a serving of fruit is about the size of a tennis ball or your fist. a serving of meat is about the size of a deck of cards. so when you're trying to portion out your diet, make sure that you're keeping these tips in mind. >> okay, so, eating a tennis ball may not sound appetizing, but i guess it's a good frame of reference when determining your serving size. thanks, jax. >> thank you. can you imagine a place where these grow everywhere? yes! it's called the forest... a magical place to enjoy with your family ♪ music so disver the forest and explore all the wonder that's there visit discovertheforest.org to find a forest near you [message beep] the average text takes your eyes off the road for nearly five seconds. [screaming] announcer: bring out... ...the acti