Sleep disorders can be difficult to diagnose and treat. A science journalist discusses his efforts to overcome narcolepsy, which produces extreme daytime sleepiness, and cataplexy, which produces instant sleep-like paralysis, as well as the science behind sleep disorders.
About 40 percent of eligible people have been vaccinated against the flu in recent years, but many more might do so were it not for persistent myths about the disease and its vaccine. For example, a new survey shows that more than half of parents believe the flu shot can cause the flu. Experts explain why those myths aren’t true and set the record straight.