Beer drinkers rejoice: Your favorite brew may be healthier than you think. For years, wine drinkers have indulged without guilt, reveling in the news that red wine can help protect against heart disease. Recent research shows that beer can also be good for what ails you. It can even increase longevity.

Every morning in Africa, a Gazelle wakes up. It knows it must run faster than the fastest lion or it will be killed. Every morning a Lion wakes up. It knows it must outrun the slowest Gazelle or it will starve to death.