IT probably won’t snag them a Nobel Prize, but two scientists have fresh data on a weighty question that many Americans care more about than genes, stem cells or nanotechnology: What can I do about my ...

With hands and knees on the floor, lift one leg behind you, keeping knee bent at a 90-degree angle, until your sole faces the ceiling. Lower leg and repeat. Switch sides. We may earn commission from ...

Start on all fours, hands under your shoulders and knees under your hips, your back flat (A). Raise one leg behind you, keeping your knee bent at 90 degrees, until the sole of your foot faces the ...