In Focus:

Men hold secret to protect women from multiple sclerosis

Scientists have now discovered how it works. Using a mouse model of MS, they have identified a guardian molecule—triggered by testosterone—that appears to protect males from disease. When female mice with disease are treated with this protective molecule, their symptoms were eliminated, reports a new study from Northwestern Medicine.

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10 smart swaps that will save you hundreds of calories

Tis the season for indulgent meals! Instead of going into the new year wishing you’d eaten healthier over the holidays, start now: Use these one-ingredient swaps to shave off hundreds of calories from your favorite holiday meals — without sacrificing any flavor....

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Egg Freezing: Is It for You?

You think you want to have a baby -- someday. What can you do today to make sure your eggs are ready when you are? One option is to have your eggs harvested and fertilized -- just as women who get in vitro fertilization (IVF) do -- but instead of having them implanted,...

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Girls Lose Interest in Activities as They Age

Girls tend to lose interest in extracurricular activities, such as sports and music, about the time they reach puberty, but this is not so true when dads take an active interest, new research shows. In one of the first studies to examine participation by girls in stereotypically male- and female-associated activities,...

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