February 19, 2009
Apples Cut Rat Breast Cancer Incidence

An apple a day keeps the oncologist away.

Six studies published in the past year by a Cornell researcher add to growing evidence that an apple a day -- as well as daily helpings of other fruits and vegetables -- can help keep the breast-cancer doctor away.

You might need to eat 6 apples a day to get the full benefit.

In one of his recent papers, published in the Journal of Agricultural and Food Chemistry (57:1), Rui Hai Liu, Cornell associate professor of food science and a member of Cornell's Institute for Comparative and Environmental Toxicology, reports that fresh apple extracts significantly inhibited the size of mammary tumors in rats -- and the more extracts they were given, the greater the inhibition.

"We not only observed that the treated animals had fewer tumors, but the tumors were smaller, less malignant and grew more slowly compared with the tumors in the untreated rats," said Liu, pointing out that the study confirmed the findings of his preliminary study in rats published in 2007.

In his latest study, for example, he found that a type of adenocarcinoma -- a highly malignant tumor and the main cause of death of breast-cancer patients, as well as of animals with mammary cancer -- was evident in 81 percent of tumors in the control animals. However, it developed in only 57 percent, 50 percent and 23 percent of the rats fed low, middle and high doses of apple extracts (the equivalent of one, three and six apples a day in humans), respectively, during the 24-week study.

Fruits and vegetables are the ticket. Eat more of them and less of everything else.

Share |      Randall Parker, 2009 February 19 12:26 AM  Aging Diet Cancer Studies

TTT said at February 19, 2009 11:37 PM:

Eating 6 apples a day is not realistic.

Randall Parker said at February 20, 2009 6:06 PM:


We could do it with fewer apples by eating apples with higher concentrations of helpful chemicals. We just need to more precisely identify which chemicals provide the benefit and then breed for apples that produce those chemicals.

Marcos said at February 21, 2009 5:36 PM:

"Fruits and vegetables are the ticket. Eat more of them and less of everything else."

Most fruit has too much sugar, which ends up creating AGEs and driving up insulin levels. One needs a healthy dose of fat, preferably from animals. Vitamin A, Vitamin D, Vitamin E, Vitamin K2, are all fat soluble.
Eating meat and eggs is also essential. Where will you get your vitamin K2 MK-4?

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