Does sniffing chocolate really help ‘leg day’ at the gym?

dikushin/Getty Simply smelling chocolate can boost your gym workout, according to a recent study that’s generated headlines around the world. No eating, no calories, just smelling. The journal claimed: Sniffing chocolate could make your leg day workout easier, even on an empty stomach. Headlines followed, including: Sniff chocolate, do more reps without trying harder! This came with the qualifier: We’re not even kidding. It’s a psychobiology thing. But is all this too good to be true? Does the…