Tagged: frequency

Pink noise for sleep

Q: I’ve heard that “pink noise” is more effective than white noise for sleep. Is that true? A: They both may help, but it’s not clear whether one type is more effective than the...

Do cellphones cause cancer?

Cell phones are more widespread than ever, and the debate about whether they can cause brain cancer continues unabated. With the results of each new study, scientists and advocates on both sides of the...