Holiday giving season complicated by shifting norms on gratuities, psychologist suggests

Photo by Mary Butkus / WUSTL PhotoStudy finds that the larger the bill, the smaller the tip percentage.With the holiday season upon us, Americans are grappling more than ever with what’s appropriate when it comes to rewarding service providers with tips, gifts and other token gratuities, suggests Leonard Green, a psychology professor in Arts & Sciences who studies tipping behavior at Washington University in St. Louis. Video available.

Nutritionist offers tips to make it through the New Year without putting on pounds

It’s possible to keep your diet intact during the holidays.The holiday season, with all its sweet temptations, is in full swing. However, all those holiday parties and office gatherings laden with scrumptious food and drink don’t have to mean the end of your weight loss plan. It’s still possible to enjoy the bounty and not feel deprived of your favorite holiday dishes, says Connie Diekman, director of University Nutrition at Washington University in St. Louis. Video available.

Heavy drinking, conduct disorder linked to high-risk sexual behavior

Psychiatry researchers at the School of Medicine have found that a clinical diagnosis of alcohol dependence in young adults is associated with having a high number of sex partners. Their study, published in the December issue of the journal Alcoholism: Clinical & Experimental Research, also found links between a conduct disorder diagnosis and high numbers of sexual partners as well as between problem drinking and more partners.

MEDIA ADVISORY

John C. (Jack) Danforth, U.S. Ambassador to the United Nations since July 1, will deliver a major policy address that will focus on his vision of the United Nations’ role in working to resolve international crises. He will speak at 7:30 p.m. Friday, Oct. 22, in Graham Chapel at Washington University in St. Louis. The event is open only to the Washington University community, including students, faculty, staff and alumni.

Poxvirus’s ability to hide from the immune system may aid vaccine design

The cowpox virus, a much milder cousin of the deadly smallpox virus, can keep infected host cells from warning the immune system that they have been compromised, researchers at the School of Medicine have found. The scientists also showed that more virulent poxviruses, such as the strains of monkeypox prevalent in Central Africa, likely have the same ability.
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