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Vitamin D Deficiency News

Can Extra Time Outdoors When Young Reduce Nearsightedness?

Posted 1 day 17 hours ago by Drugs.com

THURSDAY, Dec. 1, 2016 – Spending more time outside early in life may offer some protection against nearsightedness, a new study suggests. The European study authors suspect that additional exposure to the sun's ultraviolet B (UVB) rays may play a role in reducing nearsightedness – the inability to see clearly at a distance, also known as myopia. "We found that higher annual lifetime UVB exposure, directly related to time outdoors and sunlight exposure, was associated with reduced odds of myopia," the study authors wrote. "Exposure to UVB between ages 14 and 29 years was associated with the highest reduction in odds of adult myopia," they added. The findings don't "add a lot to the picture" of current research that links nearsightedness to time outdoors, said Ian Morgan, a vision researcher and visiting fellow at Australian National University. He was not involved with the study. ... Read more

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Could Low Vitamin D Levels at Birth Mean Higher MS Risk?

Posted 1 day 17 hours ago by Drugs.com

THURSDAY, Dec. 1, 2016 – Newborns with low levels of vitamin D may have higher odds of developing multiple sclerosis (MS) later in life, new research suggests. Vitamin D deficiency is common among the general population, including pregnant women. But the researchers said it's too soon to routinely recommend "sunshine vitamin" supplements for mothers-to-be. "The study does not prove that increasing vitamin D levels reduces the risk of MS. Further studies are needed to confirm our results," said study leader Dr. Nete Munk Nielsen, a researcher at the Statens Serum Institute in Copenhagen, Denmark. About 2.5 million people worldwide have MS. It's a chronic disease of the central nervous system characterized by damage to myelin, the fatty substance coating nerve fibers. MS symptoms vary, but can include walking difficulties, fatigue, numbness and vision problems. A growing body of evidence ... Read more

Related support groups: Multiple Sclerosis, Vitamin D Deficiency, Vitamin/Mineral Supplementation and Deficiency, Delivery, Vitamin/Mineral Supplementation during Pregnancy/Lactation, Chronic Spasticity, Caltrate 600 with D, Vitamin D Insufficiency, Spasticity, Upper Limb Spasticity, Citracal + D, Calcium/Vitamin D, Citracal Petites, Oysco 500 with D, Calcium 600 D, Calcarb with D, Lower Limb Spasticity, Spinal Spasticity, Oyster Shell Calcium, Citracal Creamy Bites

Vitamin D May Affect Breast Cancer Survival

Posted 10 Nov 2016 by Drugs.com

THURSDAY, Nov. 10, 2016 – 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 levels in premenopausal women with triple-negative cancer. Triple-negative cancer is the most common type of breast cancer found in women with changes in a gene called BRCA1. While the findings are consistent with previous studies, other factors may play a role and the study does not prove cause and effect, the researchers noted. "Our findings provide compelling observational evidence for inverse associations between vitamin D levels and risk of ... Read more

Related support groups: Breast Cancer, Vitamin D Deficiency, Breast Cancer, Metastatic, Breast Cancer, Prevention, Caltrate 600 with D, Breast Cancer - Palliative, Citracal + D, Calcium/Vitamin D, Citracal Petites, Oysco 500 with D, Rickets, Osteolytic Bone Metastases of Breast Cancer, Oyster Shell Calcium, Calcarb with D, Calcium 600 D, Citracal Creamy Bites, Calcet, Oyst-Cal-D, Caltro with Vitamin D, Os-Cal 250 with D

Low Vitamin D Levels May Raise Bladder Cancer Risk: Study

Posted 8 Nov 2016 by Drugs.com

TUESDAY, Nov. 8, 2016 – Low vitamin D levels may increase the risk of bladder cancer, researchers report. Five of seven studies the researchers reviewed linked low vitamin D levels with an higher risk of bladder cancer. In experiments with the cells that line the bladder, the researchers found that the cells activate and respond to vitamin D. This, in turn, can stimulate an immune response, the study authors said. The finding is important because the immune system may help prevent cancer by identifying and destroying abnormal cells before they develop into cancer, according to lead author Rosemary Bland, an honorary associate professor at the University of Warwick in England. "More clinical studies are required to test this association, but our work suggests that low levels of vitamin D in the blood may prevent the cells within the bladder from stimulating an adequate response to ... Read more

Related support groups: Cancer, Vitamin D Deficiency, Bladder Cancer, Caltrate 600 with D, Calcium/Vitamin D, Citracal + D, Citracal Petites, Oysco 500 with D, Calcium 600 D, Calcarb with D, Citracal Creamy Bites, Oyster Shell Calcium, Calcet, Oyst-Cal-D, UPCal D, Caltro with Vitamin D, Os-Cal 250 with D, Risacal-D, Oystercal-D, Citracal 250 mg + D

Celiac Disease Risk May Be Tied to Time, Place of Birth

Posted 16 Aug 2016 by Drugs.com

TUESDAY, Aug. 16, 2016 – Where and when children are born may affect their risk for celiac disease, according to a new study. People with celiac disease are highly sensitive to gluten, making it hard for them to digest food. Gluten is found in many grains and starches, including wheat, rye and barley, as well as many processed foods. For the study, researchers analyzed data from nearly 2 million children born in Sweden between 1991 and 2009. Of those, nearly 6,600 were diagnosed with celiac disease before age 15. Overall, children born in spring (March-May), summer (June-August) and fall (September-November) were about 10 percent more likely to be diagnosed with celiac disease than those born in winter (December-February), the findings showed. But seasonal-related risk varied by region, the investigators found. Children born in the south of Sweden – where sunlight in spring and summer ... Read more

Related support groups: Vitamin D Deficiency, Celiac Disease, Caltrate 600 with D, Diagnosis and Investigation, Calcium/Vitamin D, Citracal + D, Citracal Petites, Oysco 500 with D, Calcium 600 D, Calcarb with D, Citracal Creamy Bites, Oyster Shell Calcium, Calcet, Oyst-Cal-D, UPCal D, Caltro with Vitamin D, Os-Cal 250 with D, Risacal-D, Oystercal-D, Citracal 250 mg + D

Vitamin D Levels May Fall When Women Stop Taking Birth Control

Posted 4 Aug 2016 by Drugs.com

THURSDAY, Aug. 4, 2016 – Vitamin D levels may drop after women stop using birth control pills or other contraceptives with estrogen, researchers report. The vitamin is involved in the immune system and in managing calcium in the blood, which influences bone health. The body produces it when exposed to sunlight. During pregnancy, women produce higher amounts of vitamin D to help fetal bone development and are at increased risk of vitamin deficiency, according to the researchers. "Our findings indicate women may run the risk of developing vitamin D deficiency just when they want to become pregnant," said study first author Dr. Quaker Harmon. She is a postdoctoral fellow at the U.S. National Institute of Environmental Health Sciences. "For women who are planning to stop using birth control, it is worth taking steps to ensure that vitamin D levels are adequate while trying to conceive and ... Read more

Related support groups: Birth Control, Contraception, Emergency Contraception, Postcoital Contraception, Vitamin D Deficiency, Vitamin/Mineral Supplementation and Deficiency, Caltrate 600 with D, Citracal + D, Calcium/Vitamin D, Citracal Petites, Oysco 500 with D, Rickets, Oyster Shell Calcium, Calcarb with D, Calcium 600 D, Citracal Creamy Bites, Calcet, Oyst-Cal-D, Caltro with Vitamin D, Os-Cal 250 with D

Vitamin Deficiencies Common in Young Migraine Sufferers

Posted 10 Jun 2016 by Drugs.com

FRIDAY, June 10, 2016 – Many young people who suffer from migraines have vitamin deficiencies, new research finds. "Further studies are needed to elucidate whether vitamin supplementation is effective in migraine patients in general, and whether patients with mild deficiency are more likely to benefit from supplementation," said lead study author Dr. Suzanne Hagler in a Cincinnati Children's Hospital Medical Center news release. She is a headache medicine fellow in the hospital's division of neurology. The study included children, teens and young adult migraine patients who were treated at Cincinnati Children's Headache Center. A high percentage of them had mild deficiencies in vitamin D, riboflavin and coenzyme Q10 – a vitamin-like substance used to produce energy for cell growth and maintenance, the researchers said. Many of the patients were prescribed preventive migraine ... Read more

Related support groups: Migraine, Migraine Prevention, Vitamin D Deficiency, Vitamin/Mineral Supplementation and Deficiency, Migraine Prophylaxis, Caltrate 600 with D, Riboflavin, Os-Cal 500 with D, Calcium/Vitamin D, Citracal + D, Citracal Petites, Oysco 500 with D, Calcium 600 D, Calcarb with D, Vitamin B2, Oyster Shell Calcium, Citracal Creamy Bites, Calcet, Oysco D with Calcium, Caltro with Vitamin D

Vitamin D Boosts Heart Function in Study

Posted 5 Apr 2016 by Drugs.com

MONDAY, April 4, 2016 – Regular doses of vitamin D3 may improve heart function in heart failure patients, a new British study suggests. "These findings could make a significant difference to the care of heart failure patients," said study leader Dr. Klaus Witte, from the University of Leeds School of Medicine. "It is the first evidence that vitamin D3 can improve heart function of people with heart muscle weakness – known as heart failure." The study included more than 160 patients who had pacemakers and/or were receiving blood pressure drugs known as ACE inhibitors or beta blockers. The study participants took either vitamin D or inactive placebo pills once a day for a year. The researchers explained that they avoided using a calcium-based vitamin D supplement, because calcium can cause other problems for heart failure patients. Heart pumping function improved from 26 percent to 34 ... Read more

Related support groups: Heart Disease, Heart Failure, Congestive Heart Failure, Vitamin D Deficiency, Vitamin/Mineral Supplementation and Deficiency, Left Ventricular Dysfunction, Caltrate 600 with D, Os-Cal 500 with D, Citracal + D, Calcium/Vitamin D, Citracal Petites, Oysco 500 with D, Oyster Shell Calcium, Calcarb with D, Calcium 600 D, Citracal Creamy Bites, Calcet, Oysco D with Calcium, Caltro with Vitamin D, Os-Cal 250 with D

Tanning May Limit Skin's Ability to Produce Vitamin D: Study

Posted 4 Apr 2016 by Drugs.com

MONDAY, April 4, 2016 – While the sun helps the body make vitamin D, a new study says that too much exposure might actually lower the levels of the essential vitamin. Tan skin may provide some protection against the sun's harmful UV rays, but this increase in pigment blocks vitamin D synthesis and limits the skin's ability to produce vitamin D, according researchers in Brazil. "Our findings suggest that skin tanning, which is a natural protection against the harmful effects of UV irradiation, limits the progressive rise in serum vitamin D towards optimal concentrations," said study author Dr. Francisco Bandeira, of the University of Pernambuco Medical School in Recife, Brazil. For the study, researchers examined nearly 1,000 males and females from Recife who were between 13 and 82 years old. All had significant daily sun exposure and none routinely used sunscreen or took vitamin D ... Read more

Related support groups: Vitamin D Deficiency, Vitamin/Mineral Supplementation and Deficiency, Sunburn, Caltrate 600 with D, Vitamin D Insufficiency, Os-Cal 500 with D, Calcium/Vitamin D, Citracal + D, Citracal Petites, Rickets, Oysco 500 with D, Calcarb with D, Prevention of Sunburn, Oyster Shell Calcium, Citracal Creamy Bites, Calcet, Calcium 600 D, Oysco D with Calcium, Oyster Shell Calcium with Vitamin D, Caltro with Vitamin D

Be Wary of Imported Supplements: FDA

Posted 9 Mar 2016 by Drugs.com

WEDNESDAY, March 9, 2016 – You could be putting your health at risk if you buy imported dietary supplements and nonprescription drug products, the U.S. Food and Drug Administration warns. Health fraud scammers often sell such products at ethnic or international stores, flea markets, swap meets or online, Cariny Nunez, a public health adviser in the FDA's Office of Minority Health, said in an agency news release. This may be because many people who shop at these places have poor English-language skills and limited access to health care services and information, she suggested. "These scammers know that ethnic groups who may not speak or read English well, or who hold certain cultural beliefs, can be easy targets," she added. For example, Native American, Hispanic, Asian and black people may have a long tradition of using herbal – or so-called "natural" – products, and many of these ... Read more

Related support groups: Vitamin D Deficiency, Vitamin/Mineral Supplementation and Deficiency, Vitamin E, Vitamin B12 Deficiency, Vitamin/Mineral Supplementation during Pregnancy/Lactation, Vitamin D Insufficiency, Niacin (Vitamin B3) Deficiency, Vitamin A & D, A & D, Carnitine Deficiency, Rickets, Vitamin K Deficiency, Vitamin B1 (Thiamine) Deficiency, Scurvy, Vitamins A, D, and E, Vitamin E Deficiency, Aquasol E, Alpha E, Vita-Plus E Natural, Aqua-E

Vitamin D a No Go for Arthritic Knees, Study Finds

Posted 8 Mar 2016 by Drugs.com

TUESDAY, March 8, 2016 – Vitamin D supplements didn't relieve pain or slow the progression of knee osteoarthritis in a new study, even though the patients involved had low levels of the vitamin. Osteoarthritis is a progressive disease, and currently no treatment is available that will stop the loss of cartilage. Eventually, many patients are headed for knee replacements, the Australian researchers said. "These data suggest a lack of evidence to support vitamin D supplementation for slowing disease progression or structural change in knee osteoarthritis," said lead researcher Dr. Changhai Ding, a professor at the University of Tasmania in Hobart. The use of vitamin D supplements to reduce pain and slow the progression of knee osteoarthritis has been controversial in the past, with studies showing conflicting results, he said. This new study put vitamin D supplements to the test by ... Read more

Related support groups: Osteoarthritis, Vitamin D Deficiency, Vitamin/Mineral Supplementation and Deficiency, Caltrate 600 with D, Os-Cal 500 with D, Citracal + D, Calcium/Vitamin D, Citracal Petites, Rickets, Oysco 500 with D, Calcarb with D, Calcium 600 D, Citracal Creamy Bites, Calcet, Oyster Shell Calcium, Oysco D with Calcium, Citracal Maximum, Caltro with Vitamin D, Os-Cal 250 with D, Oyster-D

Low Prenatal Vitamin D Linked to Later MS in Offspring

Posted 8 Mar 2016 by Drugs.com

MONDAY, March 7, 2016 – Children of mothers with too little vitamin D during their pregnancy may have a higher risk of developing multiple sclerosis when they reach adulthood, a new study suggests. One expert in the United States said that the findings need to be interpreted with caution, however. "We cannot say from this study that low vitamin D levels cause MS in women's offspring," said Dr. Daniel Skupski, chair of obstetrics and gynecology at NewYork-Presbyterian/Queens hospital in New York City. All the study points to is an association between the two, he stressed. What the research does do, Skupski said, is "set the stage" for further research to see if getting more vitamin D in pregnancy might lower people's lifetime risk for multiple sclerosis. Multiple sclerosis affects a person's brain and spinal cord by damaging the myelin sheath, the insulating layer that surrounds and ... Read more

Related support groups: Multiple Sclerosis, Vitamin D Deficiency, Vitamin/Mineral Supplementation and Deficiency, Vitamin/Mineral Supplementation during Pregnancy/Lactation, Caltrate 600 with D, Vitamin D Insufficiency, Os-Cal 500 with D, Citracal + D, Calcium/Vitamin D, Citracal Petites, Rickets, Oysco 500 with D, Oyster Shell Calcium, Calcarb with D, Calcium 600 D, Citracal Creamy Bites, Calcet, Oysco D with Calcium, Caltro with Vitamin D, Os-Cal 250 with D

Vitamin D While Pregnant Won't Boost Most Infants' Bone Health, Study Says

Posted 2 Mar 2016 by Drugs.com

WEDNESDAY, March 2, 2016 – Taking vitamin D supplements during pregnancy does not improve a baby's bone density, according to a new British study. But for babies born in the winter, "sunshine vitamin" supplementation may help counteract low levels caused by seasonal loss of sunlight, the researchers said. Some previous studies have suggested that higher vitamin D in mothers during pregnancy are associated with greater bone density in babies, and guidelines in the United Kingdom recommend vitamin D supplements for all pregnant women. However, the American College of Obstetricians and Gynecologists only recommends supplements for mothers-to-be who are deficient in vitamin D. This study included more than 1,100 British women, 14 to 17 weeks pregnant, with low to normal levels of vitamin D. Half took a 1,000 International Unit vitamin D capsule daily until they had their baby, while the ... Read more

Related support groups: Vitamin D Deficiency, Delivery, Vitamin/Mineral Supplementation during Pregnancy/Lactation, Caltrate 600 with D, Os-Cal 500 with D, Citracal + D, Calcium/Vitamin D, Rickets, Citracal Petites, Oysco 500 with D, Cesarean Section, Oyster Shell Calcium, Calcarb with D, Calcium 600 D, Citracal Creamy Bites, Calcet, Oysco D with Calcium, Caltro with Vitamin D, Os-Cal 250 with D, Oyster-D

Low Vitamin D Levels May Signal More Aggressive Prostate Cancer

Posted 2 Mar 2016 by Drugs.com

WEDNESDAY, March 2, 2016 – Prostate cancer may be more aggressive in men who are deficient in vitamin D, new research suggests. A study of nearly 200 men having their prostate removed found those with low vitamin D levels were more likely to have rapidly growing tumors than those with normal levels of the "sunshine" vitamin. "If men with vitamin D deficiency are more likely to have [more advanced disease] at the time of prostate surgery, then perhaps men should be tested for this when they are diagnosed with prostate cancer and subsequently supplemented with vitamin D if they are deficient," said researcher Dr. Adam Murphy. He is an assistant professor of urology at Northwestern University in Chicago. However, another expert isn't ready to go that far. This study can't prove that vitamin D deficiency causes aggressive prostate cancer, only that the two are associated, said Dr. Anthony ... Read more

Related support groups: Prostate Cancer, Vitamin D Deficiency, Vitamin/Mineral Supplementation and Deficiency, Caltrate 600 with D, Vitamin D Insufficiency, Os-Cal 500 with D, Calcium/Vitamin D, Citracal + D, Citracal Petites, Rickets, Oysco 500 with D, Calcarb with D, Oyster Shell Calcium, Citracal Creamy Bites, Calcet, Calcium 600 D, Oysco D with Calcium, Oyster Shell Calcium with Vitamin D, Caltro with Vitamin D, Os-Cal 250 with D

Prenatal Diet Rich in Vitamin D May Cut Allergy Risk in Kids: Study

Posted 17 Feb 2016 by Drugs.com

WEDNESDAY, Feb. 17, 2016 – Children born to women who eat vitamin D-rich foods during pregnancy have a lower risk of hay fever, but vitamin D supplements do not have the same effect, a new study suggests. The new study included more than 1,200 mothers and their children. The children were followed until they were about 7 years old. A diet with higher levels of vitamin D – equivalent to the amount in an 8-ounce serving of milk each day – during pregnancy was associated with a 20 percent lower risk of hay fever in school-age children. Taking vitamin D supplements did not reduce the risk, according to the study published Feb. 11 in the Journal of Allergy and Clinical Immunology. "Expectant mothers have questions about what they should eat during pregnancy, and our study shows that it's important to consider the source of nutrients in a mother's diet," study leader Dr. Supinda ... Read more

Related support groups: Allergic Reactions, Allergies, Allergic Rhinitis, Hay Fever, Vitamin D Deficiency, Vitamin/Mineral Supplementation during Pregnancy/Lactation, Caltrate 600 with D, Os-Cal 500 with D, Citracal + D, Calcium/Vitamin D, Rickets, Citracal Petites, Oysco 500 with D, Oyster Shell Calcium, Calcarb with D, Calcium 600 D, Nasal Polyps - Prevention, Citracal Creamy Bites, Calcet, Oysco D with Calcium

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