1. Tea off in the morning. Hot tea can slash your risk of kidney cancer by 15 percent, according to a review in the International Journal of Cancer. Replace your battery acid with a cup of rooibos first thing in the morning.
2. Sleep smarter. Too much sleep, or not enough of it, can kill you. A British study found that getting more than nine hours of sack time a night, or less than six, doubles your risk of an early death from any cause. Aim for seven to eight hours a night.
3. Pop in your lenses post-shower. Soaping up while wearing your contacts can expose your eyes to infection-causing waterborne microbes, say University of Illinois at Chicago researchers.
4. Drink wine, stay lean. Polyphenols, the compounds found in red wine, help your body block fat absorption, an Israeli study found. Red-wine marinades work, too.
5. Lose the lint. Taking two seconds to empty the lint trap in your clothes dryer can prevent you from being a dryer-fire victim. No jokes, it happens to 315 people in the US each year.
6. Check your neck. An American Journal of Medicine study found that a mildly under-active thyroid can boost your heart-disease risk by 65 percent. A quick blood test can assess your level of thyroid-stimulating hormone (TSH).
7. Stretch it out. Genes in your body linked to heart disease, diabetes and obesity can be ‘turned on’ if you sit for hours on end, reports a study in Diabetes. Hit the ‘off’ button by taking hourly laps during TV, book and Web sessions.
8. Steam your broccoli. Italian researchers recently discovered that steaming broccoli increases its concentration of glucosi-nolates (compounds found to fight cancer) by 30 percent. Boiling actually lowers the levels.
9. Skip the spray. Using household spray cleaners just once a week increases your risk of an asthma attack by 76 percent, say Spanish researchers. Use wipes instead.
10. Boost your defenses. An Archives of Internal Medicine review reports that 400IU of vitamin D a day reduces your risk of an early death by seven percent.
11. Scent your air safely. Some air fresheners contain phthalates, compounds that may disrupt hormone processes, Natural Resources Defense Council testing reveals. Check the labels carefully.
12. Lean back. Parking your torso at a 90-degree angle strains your spine, say Scottish and Canadian researchers. Instead, recline the seat back slightly. The ideal angle is 45 degrees off vertical.