Diabetes

Metformin may increase risk of cognitive impairment

(HealthDay)—Metformin may increase the risk of cognitive impairment in patients with diabetes; however, calcium supplementation may attenuate this risk, according to research published online Sept. 5 in Diabetes Care.

Diseases, Conditions, Syndromes

Phototherapy affects serum 25(OH)D levels

(HealthDay)—For patients with inflammatory skin conditions, phototherapy with ultraviolet (UV) A1 radiation induces a reduction in serum 25-hydroxyvitamin D3 (25[OH]D) levels, whereas narrowband UVB (UVBnb) and UVA/UVBnb ...

Neuroscience

Can vitamin B supplements help stave off stroke?

New evidence suggests that taking vitamin B supplements may help reduce the risk of stroke. The research appears in the September 18, 2013, online issue of Neurology®, the medical journal of the American Academy of Neurology.

Pediatrics

Preterm infants may need 800 IU of vitamin D3 per day

Preterm infants may need to be given 800 international units (IU) of vitamin D a day to ensure they develop strong bones, according to a study to be presented Sunday, May 5, at the Pediatric Academic Societies (PAS) annual ...

Health

Researchers pinpoint upper safe limit of vitamin D blood levels

Researchers claim to have calculated for the first time, the upper safe limit of vitamin D levels, above which the associated risk for cardiovascular events or death raises significantly, according to a recent study accepted ...

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