The scientists at the Chemical Warfare Service had noticed that workers who spent days with chlorine suffered from few colds. They now recommended gassing patients to reduce their colds. Secretary of War Weeks had already tried chlorine gas for his cold and found it beneficial. For forty-five minutes, Coolidge inhaled in an airtight chamber; afterward, he declared himself better. In taking the cure, he strengthened a fad: 146 members of the House of Representatives and 23 senators also tried it.
