“Sleep helps cells repair themselves,” says Marisa C. Weiss, M.D., president and founder ofBreastCancer.org.

Also, checkAirNow.gov: If the air-quality index score is above 150, hit the gym.

Transfer your pad thai to a ceramic plate before digging in.

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Make a Date

Texting and tweeting are great but shouldn’t replace actual face time.

“Standing for a few minutes every half hour may be enough to minimize the effects.”

Open Wide

Poor dental hygiene can increase your risk for gingivitis, an inflammation of the gums.

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Over time, high levels of inflammation may increase your risk for cancer, Dr. Weiss says.

Another good reason to see your dentist: She can screen you for early signs of oral cancer.

If both tests are negative, you might wait three years before checking again.

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Upload it to the free Microsoft HealthVault, then email the link to loved ones.

Find Dr. Nice

A rude doc can mean poorer health for you.

If yours doesn’t measure up, make a switch.

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The odorless gas can seep through cracks in your home from the surrounding soil.

Ensure your space is safe by using a home-testing kit, available at hardware stores.

Do a Vitamin Check

Vitamin Dappears to help breast cells grow normally, Dr. Weiss says.

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for a blood test.

(Don’t tan to up your dose: It can cause cancer!)

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