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Less sleep, greater appetite

Recent study shows link between sleep deprivation and increased calorie intake By John Kuells ARIZONA DAILY WILDCAT For a college student, pulling an all-nighter is a rite of passage. But watch out for your waistline because a new study shows that sleep deprivation may lead to increased caloric intake. The study, conducted by MariePierre St-Onge, a research associate at Columbia University’s New York Obesity Research Center, showed that when subjects were exposed to four hours of sleep they consumed significantly more calories the next day in comparison to when they

slept nine hours. For the six-day study, St-Onge had 14 men and 13 women randomly exposed to four and nine hour intervals of sleep. The next day, the subjects were exposed to “typical meals that one would eat at home” including items like bagels, turkey sandwiches, cookies, frozen entrees, yogurt and vegetables. The nutritional values of the food they consumed were logged. The study showed that the average calorie intake of the subjects was nearly 300 calories more on the day after they were subjected to less sleep. Additionally, male

subjects’ caloric intake was 263 after less sleep, in comparison to women’s average of 329. St-Onge said she did not know why women consumed more calories than men, but noticed that fat intake was “more pronounced in women” and that her research group is currently looking into the actual foods chosen by the subjects while sleep-deprived to look for further trends. “It varied greatly between individuals,” St-Onge said. “We can say that ice cream was a favorite.” She said past research has linked sleep problems with obesity, but her

study brings the scientific world one step closer to proving causation. “There have been epidemiological studies that have shown a link between sleep and obesity,” St-Onge said. “I wanted to see if there was a potential causal effect.” Tucker Peck, a graduate student in the UA’s doctoral program in clinical psychology, said the hormone ghrelin might be to blame. “When you don’t sleep much, your body secretes more ghrelin, and ghrelin makes you want to eat more,” Peck said. “Worse yet, grhelin also increases your desire for quick rewards, so you might want to eat

more sugar and junk food.” In addition to ghrelin, Peck said sleep deprivation leads to a decrease in leptin, a hormone that makes you feel full. “So when you’re not sleeping, your body has more of the signal saying ‘keep eating’ and less of the signal saying ‘stop eating,’” Peck said. Peck, who has been researching sleep since 2004, said that though hormone imbalances are an aspect of sleep deprivation, they are not definitely the root cause of increased calorie intake and it may be a SLEEP, page 3

Forum to address mental health By Brenna Goth ARIZONA DAILY WILDCAT

Mental health experts from Tucson and around the nation will host a community forum today in response to the Jan. 8 shooting. The forum, called “A Delicate Balance: Creating a Better PostJan. 8 System to Protect the Public and Help Persons with Serious Mental Illness,” will feature eight panelists as well as keynote speaker Dr. Thomas R. Insel, director of the National Institute of Mental Health. The UA College of Medicine will host the event in conjunction with community organizations and sponsors, including the Community Partnership of Southern Arizona and the Arizona Daily Star. Insel will receive the Schorr Family Award for Distinguished Contribution in Furthering Public Understanding of Mental Health at the event. The award is presented through the University of Arizona Foundation and recognizes a person or organization that has helped further public awareness and understanding of mental illness. Insel will be the 13th recipient of the award, and the presentation usually features one or two speakers, said Si Schorr, who founded the award with his wife. This year’s event reflects community concerns about mental health and treatment after the Jan. 8 shooting. “How do you create a better system to protect the public and serve the mentally ill?” Schorr said. “These are concerns the community has always had. We need to address them in a much better way than we have in the past.” Panelists will speak about the effects of mental illness, the role of intervention and available resources in Southern Arizona. Speeches will be short to allow time for a question-and-answer session, Schorr said.

IF YOU GO Wednesday 1:45 p.m. - 5 p.m. Centennial Hall 1020 E. University Blvd.

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The annual Take Back the Night event is hosted by OASIS with the support of campus organizations such as the Women’s Resource Center. About 400 students and community members marched from the Dr. Martin Luther King Jr. Student Center to the Women’s Plaza of Honor on Tuesday, with Wilbur Wildcat at the head of the march.

Hundreds rally to end sexual violence at Take Back the Night By Eliza Molk ARIZONA DAILY WILDCAT

About 400 students and community members marched, chanted and shared their stories on campus on Monday during Take Back the Night, an event to speak out against sexual violence. The UA’s OASIS program hosted the annual event in collaboration with other campus organizations such as the Women’s Resource Center and Fraternity & Sorority Programs. The march went from the Dr. Martin Luther King Jr. Student Center to the Women’s Plaza of Honor, where various speakers explained the importance of ending sexual violence.

Keynote speaker Emily May, founder of Hollaback, a movement dedicated to ending street harassment using mobile technology, said that the event was proof that people around the world are taking action to make a world without sexual violence. “The revolution (against sexual violence) will be built by badasses,” she said. “This was very, very badass.” May explained that sharing stories of sexual violence is the start to creating change and awareness and that every individual has the right to define themselves on their own terms. “It’s not a game of hot or not,” she added.

UA receives grant for cancer education By Michelle Weiss ARIZONA DAILY WILDCAT Low-income women at risk for cervical cancer will be eligible for follow-up care with the help of a new grant awarded to a researcher at the Arizona Cancer Center. Dr. Jesse Nodora, a scholar of the Cancer Health Disparities Institute and an assistant professor in family and

community medicine, said the five-year, $687,000 grant will be used for a randomized clinical trial study slated to begin in July of this year. The American Cancer Society provided the funds for the American Cancer Society Mentored Research Scholar Grant. “The mission of the institute is basically to address these kinds of health disparities in under-

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Alpha Kappa Alpha sorority and an elementary education senior, said that this was the second year she attended Take Back the Night. She liked that the community came together for the event. “We as women need to take a stance and stand up for our rights,” she said. “No means no.” In addition to the march and guest speakers, the event included “Survivor Speak-outs,” which allowed survivors of sexual violence to share their stories with the community. “One hundred voices are greater than one voice, but one voice is still strong,” said Liza Pluto, a communications sophomore who attended the march.

Multiple organizations tabled at the event included Campus Health Service, the Southern Arizona Gender Alliance, ASUA Pride Alliance, the Vagina Warriors, Vox: Voices for Planned Parenthood, the Dean of Students Office and more. The tables offered items like snow cones, popcorn, condoms and rape whistles for participants to take. Carl Segal, a marketing sophomore, came with his fellow Delta Chi fraternity members and said that he did so in order to show support for the good causes that the campus brings. “It’s important for a large group to come in order to shell an impact,” he said. Alexis Edwards, president of the

Head to DailyWildcat.com for a first-hand look at the flash mob that popped up in front of the Administration building.

works, he said. They also address health literacy to help women understand the results of their pap smear tests. In short, they are there to support the women. The patients are bound to have fears and concerns, Nodora said. Nodora said he hopes to find whether the navigation method works effectively, which would prompt community health

served populations,” he said. “My research largely revolves around that.” The study is meant to train young investigators in the clinical area and will look at the effectiveness of patient navigation, Nodora said. A patient navigator is one who educates patients about what cervical cancer is and how the diagnosis and screening process

COMING TOMORROW

GRANT, page 3

WEATHER

Minority report cards The Arizona Daily Wildcat examines the reasons behind the UA College of Medicine and College of Pharmacy awarding the most degrees to minority students at the UA.

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