446. You should never drink tea or coffee with meals Tannins in tea and coffee prevent absorption of certain nutrients. A cup of tea with a meal will halve the iron you get from it, whereas a glass of orange juice will double it.

447. On the other hand, a little hunger may go a long way. Studies in rodents show reducing daily calorie intake by 30 percent can lower risk for cancer and Alzheimer’s disease and increase longevity. So much for an appetite for life.

448. Pain tolerance is reduced by sleep deprivation.

449. 1 in 4 married couples sleep in separate beds for better sleep experience accroding to surveys.

450. 12% of people dream entirely in black and white.