 and provide training to employers and supervisors on the signs and symptoms of illness related to heat exposure. Employers would also have to give employees rest breaks, shade and water, and give workers time to become acclimated to higher temperatures. Donna Water, Washington. U.S. health officials have approved a new Alzheimer's drug that can modestly slow the disease. It's only the second drug that's been convincingly shown to slow the memory-destroying condition.