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Swollen Tongue. Your tongue can tell you when something’s up. This condition is also called glossitis, for the smooth, glossy look your tongue has when it’s swollen. It can be a sign you’re low in iron or B vitamins like folic acid, niacin, riboflavin, and B12. If that’s the case, your tongue may also hurt. To get more B12, choose:

Know Your Terms. Threatened is a label for a species that’s likely to become extinct unless people take steps to protect it.

“Swimming is the only form of exercise that babies can literally do from birth,” explains Carol McNally of Water Babies, a company that offers parent and baby swimming classes.

Plan to Eat Right. Don't give up because you're out of time. Create a healthy-eating plan for days when you work late or have errands to run. Keep nutritious snacks with you, like trail mix, whole grain cereal, or fruit. Store healthy foods in your freezer. Learn which restaurants and supermarket delis have salad, soup, or grilled chicken so if you have to get something "to go," you can choose wisely.

Worst: Crispy Chicken Salad. A green salad with chicken may sound like a healthy meal, but descriptions like “crispy” and “crunchy” are red flags. These words are code for breaded and deep-fried, which can turn that healthy-sounding salad into a calorie bomb. What’s worse, research shows that eating a lot of fried foods can raise your chances of heart disease and type 2 diabetes.

Best: Bagel and Lox. Lox -- cold, smoked salmon -- is high in protein and heart-healthy omega-3 fatty acids. That, along with a whole-grain bagel, makes this a solid choice. Just be sure to watch the cream cheese.