Word: dr
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Dates: during 2010-2019
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...surprising trial, researchers led by Dr. Teresa Liu-Ambrose at the University of British Columbia randomly assigned 155 aging women to three separate groups and directly compared the cognitive effects of two types of exercise: resistance training, done once or twice weekly, in which participants worked out with free weights and weight machines and did squats and lunges, versus toning and balance exercises, which participants did twice a week. (See pictures of a canine cognition...
...start of the analysis, but after two years of follow-up, researchers found that those who exercised at least three times a week were half as likely to have developed dementia, compared with the people who reported no physical activity. Based on his results, says lead author Dr. Thorleif Etgen, a professor of psychiatry and psychotherapy at München University, "it doesn't make a big difference if you have moderate or high physical activity. The important message is that you do any activity. And even if you start late in life, at 60 or 70, there...
...words are "moderate or high," according to another study that was published on Monday in the Archives. Dr. Qi Sun, a researcher at Harvard School of Public Health, analyzed 13,000 women participating in the Nurses' Health Study and found that when it came to exercise, more was better. Compared with women who jogged for 20 minutes a week, those who jogged three hours a week or walked briskly for five hours a week were 76% more likely to age successfully, free of chronic illnesses such as cancer and heart disease, as well as mental and physical impairment. (See pictures...
Still, says Dr. Marco Pahor, director of the Institute on Aging at the University of Florida and author of a commentary on the studies appearing in the journal, "if you pool all the evidence together, the benefits of exercise seem promising...
...released by the Institute of Medicine in January describes hepatitis as a "major public-health problem" in the U.S. and calls for greater funding for prevention and treatment, increased vaccination, and a public awareness campaign to curb the threat of hepatitis B and C. "It's long overdue," says Dr. Douglas Dieterich, a professor in the Division of Liver Diseases at the Mount Sinai School of Medicine. "This is really a huge step in the right direction for hepatitis...