It all started when Chinese scientists fed rice and veggies to some mice.

What to do:Eat the good stuff.

Lots of itat least 2 1/2 cups of vegetables and 1 1/2 cups of fruit every day.

Image may contain Plant Food Produce Vegetable and Arugula

Be sure to mix things up: Different fruit and vegetables contain different microRNA and cancer-fighting antioxidants.

Your perk:Fewer munchies.

Produce is full of fiber, which helps keep you full longer, so you eat less.

Got your sweet tooth under control?

jot down 2 diabetes may raise your chances of developing cancer, research finds.

One possible culprit: insulin.

When people become insulin-resistantoften because of weight gaintheir body produces more of the hormone to compensate.

“Certain body tissues, including those in the breast and colon, have insulin receptors.

What to do:Keep that blood sugar in check.

If you’re not already eating whole-wheat everything, now is the time to start.

Your perk:Smooth skin.

OK, we know we just said to lay off the sugar.

What to do:Pick your chocolate wisely.

More is not better.

Your perk:Skinny jeans.

This summer brought happy news for active girls.

Your perk:An easier cycle.

If PMS makes you moody, there’s evidence that breaking a sweat could help lift the black cloud.

Your cells use folate to make and repair DNA, and damaged genes can spur cancer growth.

Also cool: Getting enough of the vitamin may offset the risks of moderate drinking.

Alcohol blocks the absorption of folate and has been linked to an increased risk for breast cancer.

Your perk:A happier mood.

Folate stimulates production of the feel-good chemical serotonin.

People with low levels are more likely to be depressed.

Another hint: Women on the night shift get more breast cancer than nine-to-fivers.

What to do:Switch to lamps with low-intensity incandescent bulbs (no fluorescent lights!)

about two hours before bed.

Stevens also recommends installing a dim red bulb in the bathroom.

That way, you won’t mess with your melatonin when you’ve got to pee at 3 a.m.

Your perk:Sounder sleep.

When melatonin is suppressed, it can disrupt your circadian rhythm.

But waitthere’s more.

What to do:Start meditating!

Try adding a minute each day; work up to 10 to 20 minutes.

Your perk:Better sex.

Mindfulness meditation could enhance the insula, a part of the brain linked to awareness.

Regular meditation may make it easier to get aroused and even improve orgasms.

What’s not to love?