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  • Vitamin D Pumps Up Muscles

    Posted: 02/23/2017

    Vitamin D Pumps Up Muscles THURSDAY, Feb. 16, 2017 (HealthDay News) -- High blood levels of "active" vitamin D may boost muscle strength, a new study suggests. British investigators measured both inactive and active vitamin D levels, fat levels and muscle mass in 116 healthy adult volunteers, aged 20 to 74. People with higher levels of active vitamin D in the blood had more lean muscle mass and bulk, the investigators found. "By looking at multiple forms [of vitamin D] in the same study, we can say that...

  • Vitamin D Linked to Lower Risk of Respiratory Infections

    Posted: 02/23/2017

    Vitamin D Linked to Lower Risk of Respiratory Infections THURSDAY, Feb. 16, 2017 (HealthDay News) -- There's preliminary evidence that adequate amounts of vitamin D might help lower rates of respiratory infections. These infections include colds, bronchitis and pneumonia, the researchers said. In a review of past trials of people taking vitamin D supplements, researchers from Queen Mary University in London found that supplementation was linked to a 12 percent reduction in the proportion of people havin...

  • Vomiting Disorder on Rise in Weed-Friendly Colorado

    Posted: 01/15/2017

    Vomiting Disorder on Rise in Weed-Friendly Colorado THURSDAY, Jan. 5, 2017 (HealthDay News) -- Long-term heavy marijuana use can cause chronic vomiting and abdominal pain in some people, new research suggests. And the syndrome could become more frequent and pervasive as more states legalize use of the drug, according to health experts. Cases of the disorder, which is called cannabinoid hyperemesis syndrome (CHS), doubled in Colorado as access to legal marijuana became widespread, said Dr. Kennon Heard. ...

  • Vitamin E, Selenium Don't Cut Colon Cancer Risk: Study

    Posted: 01/02/2017

    Vitamin E, Selenium Don't Cut Colon Cancer Risk: Study WEDNESDAY, Dec. 21, 2016 (HealthDay News) -- Taking vitamin E and selenium does not appear to reduce the risk of polyps that can lead to colon cancer, a new study finds. Researchers analyzed data from more than 6,500 men in the United States and Canada and found that those who took the two antioxidants did not have a lower risk of colon polyps than those who took placebos. "The message to the public is this: Vitamin E and selenium will not prevent c...

  • Vegetarian Diets Called Good for People and the Planet

    Posted: 12/08/2016

    Vegetarian Diets Called Good for People and the Planet THURSDAY, Dec. 1, 2016 (HealthDay News) -- Vegetarian diets are healthy for people of all ages, as well as the environment, according to a new update of the Academy of Nutrition and Dietetics' (AND) position on vegetarian diets. Studies show that vegetarians generally have lower risks of obesity and chronic diseases such as type 2 diabetes, heart disease and certain cancers, according to the AND. That includes vegans -- who eschew not only meat and ...

  • Violent Media Often Give Rise to Nightmares

    Posted: 12/01/2016

    Violent Media Often Give Rise to Nightmares TUESDAY, Nov. 22, 2016 (HealthDay News) -- Watching violent movies before bed might drag some dark images into your dreams, giving you nightmares, a new study suggests. The study found that those who viewed violent media before bed were 13 times more likely to have violent dreams that night compared to people who didn't watch violence before bed. "That's a big effect," said study co-author Brad Bushman. He's a professor of communication and psychology at Ohio ...

  • Vitamin D May Affect Breast Cancer Survival

    Posted: 11/17/2016

    Vitamin D May Affect Breast Cancer Survival THURSDAY, Nov. 10, 2016 (HealthDay News) -- Vitamin D levels may affect breast cancer patients' chances of survival, a new study suggests. Researchers analyzed data from nearly 1,700 breast cancer patients in California and found that higher vitamin D levels at diagnosis were associated with better overall survival. This link was strongest in premenopausal women. Researchers found lower vitamin D levels in patients with advanced-stage tumors and the lowest lev...

  • Vasectomy May Not Raise Prostate Cancer Risk After All

    Posted: 09/26/2016

    Vasectomy May Not Raise Prostate Cancer Risk After All MONDAY, Sept. 19, 2016 (HealthDay News) -- A large, new study challenges previous research that suggested vasectomies might increase the risk of prostate cancer or dying from it. In the latest finding, researchers found no connection between vasectomies and overall risk of prostate cancer, or of dying from the disease. The American Cancer Society epidemiologists reviewed more than 7,000 prostate cancer deaths, as opposed to the just over 800 prostat...

  • Vitamin A Compound Might Aid in Colon Cancer Fight

    Posted: 09/07/2016

    Vitamin A Compound Might Aid in Colon Cancer Fight TUESDAY, Aug. 30, 2016 (HealthDay News) -- Retinoic acid, a compound derived in the body from vitamin A, might have a role in suppressing colon cancer, new animal research suggests. "Retinoic acid has been known for years to be involved in suppressing inflammation in the intestine," said study senior author Dr. Edgar Engleman, professor of pathology and medicine at Stanford University School of Medicine in Palo Alto, Calif. Meanwhile, the development of...

  • Veterans' Painkiller Abuse Can Raise Odds for Heroin Use

    Posted: 08/30/2016

    Veterans' Painkiller Abuse Can Raise Odds for Heroin Use TUESDAY, Aug. 23, 2016 (HealthDay News) -- Veterans who misuse narcotic painkillers may be at high risk for heroin use, a new study cautions. The research included nearly 3,400 U.S. veterans who had never misused painkillers or used heroin. Their health was followed for 10 years. During that time, 500 of them began using heroin. Of those, 77 percent misused opioid painkillers before they started using heroin. Other risk factors for heroin use incl...