Chih-hui Chiu

This study tested whether a natural compound called beta caryophyllene can improve how long elite freedivers can hold their breath. Fifteen experienced divers took part in a crossover trial where each person received the supplement and a placebo at different times. The main goal …

This study looked at whether chewing gum with caffeine could help firefighters balance better when their brains were tired. Fourteen active-duty firefighters from a special rescue team took part. They were given a supplement called GABA first, then tested on a balance course afte…