Your strength-training workout doesn't need to be complicated. Researchers recommend prioritizing just a handful of exercises, including (clockwise from left to right) the split squat, row, bench ...

A five-move workout you can do using one dumbbell ...

This story is adapted from Life Kit's Guide to Building Strength, a five-day email series. Sign up for the special newsletter here. There are innumerable ways to shape a workout routine for building ...