Health aNd Fitness Guide

Highly successful stockbrokers have high levels of the male hormone testosterone. Researchers at Cambridge University followed 17 male traders in London for eight days and took their saliva samples at 11 a.m. and 4 p.m. Later, tests showed that the testosterone levels of these man were very high on days they had a higher-than-average success in the stock market. High testosterone levels boosted their confidence and energy, leading to risk-taking and winning. However, high testosterone levels for prolonged periods can induce hasty risk-taking.