Tart cherries lower the levels of inflammation in the body, which may be particularly useful for those who suffer from gout. They have also been used to improve sleep.

Physical activity is considered a promising preventive measure against breast cancer - not only because it helps with weight control but because exercise tends to lower circulating estrogen levels.

Cholesterol - which you get from eating too much of the wrong kind of fat - doesn't just help clog arteries in the brain, it may also help to seed the amyloid plaques that riddle the brain tissue of Alzheimer's victims.

Most of us know that the hormone melatonin helps regulate our sleep. But it also seems to play another role - suppressing cancer growth.

Studies on cherries, raspberries and strawberries suggest that most of their nutrition is retained when they're frozen, so it's a good idea to keep some in the freezer.

The Iowa Women's Health Study, which has followed more than 35,000 women for decades, found eating more broccoli, cauliflower, kale and other cruciferous vegetables was associated with a lower risk of getting non-Hodgkin's lymphoma in the first place.