Based on the text below, answer question that follow it.
Doctors Know Best
By Ted Spiker
Along with all the disease stomping, heart reviving, baby delivering, and overall people healing they do, doctors have another full-time job: keeping themselves healthy. Scratch that - keeping themselves healthiest. So instead of peeking into their medical practices, we looked at what they actually practice −∈ their own lives. Use personal strategies and insider tips from the best medical pros to supercharge your health this year.
(I) -
“As soon as I feel an ilness coming on, I go to sleep for at least nine hours," says Hilda Hutcherson, MD, clinical professor of ob-gyn at Columbia University Medical Center. "I also lie on the floor with my legs elevated and propped against the wall and breathe deeply for five minutes.” It helps lower stress, which weakens the immune system.
(II) -
Instead of having a garden-variety green salad, Margaret McKenzie, MD, assistant professor of surgery at the Cleveland Clinic, tosses napa cabbage, radicchio, edamame, and carrots with ginger-soy dressing. "lt gives me a lot of vitamins, antioxidants, and protein and makes me feel full,' she says.
(III) -
[...] Gary Small, MD, professor of psychiatry and biobehavioral sciences at the University of California, Los Angeles, and author of The Alzheimer's Prevention Program, plays Scrabble and Words With Friends on his smartphone most days. These word games are perfect brain boosters, because they build not only verbal and math skills but also spatial abilities as you position letters to create words. “Combining several mental tasks strengthens multiple neural circuits," Dr. Small says. "lt's like cross-training for your brain."
(IV) -
Make your bedroom spalike: Dim the lights at least an hour before you go to bed; ban cell phones, laptops, and the TV; ask your partner for a foot rub. "I do deep breathing exercises," Dr. Hutcherson says. "Sometimes I play. relaxing music softly."
(V) -
The most important meal is breakfast, says David Katz, MD, director and founder of Yale-Griffin Prevention Research Center ∈Derby, Connecticut. He often has two breakfasts, divvying up his morning meal so that he eats half before his workout and half after. "lt helps with portion control, and it establishes a daily eating pattern," Dr. Katz says. Plan your breakfast at night to start the next day on a healthy note.
(Abridged from https ://www.fitnessmagazine.com/health/doctors-tips-to-I stay-healthy/)
In the sentence “It helps lower stress, which weakens the immune system.” (2nd paragraph), the underlined words mean, respectively, and .
