Health

Is too much vitamin C harmful?

Your body needs vitamin C, but megadoses can cause many digestive problems. Find out how much of the nutrient you really require.

Dentistry

Guidelines for fluoride intake—are they appropriate?

The appropriate use of fluoride has transformed oral health over the past 70 years, in part due to the guidelines created for fluoride intake. Recently, researchers are questioning these longstanding guidelines which served ...

Health

The great fat debate: How much is unhealthy?

(HealthDay)—Experts have redefined the role of fat in healthy eating, but before you grab a chunk of cheese or another pat of butter, understand the differences between the various types of fat in your diet.

Health

Study: Higher sugar intake correlates to lower vitamin intake

The more sugar we eat, the less vitamins and minerals we consume, new findings from Lund University in Sweden show. However, the researchers behind the study do not believe that their results alone are enough to make changes ...

HIV & AIDS

One-month regimen noninferior for preventing HIV-related TB

(HealthDay)—For HIV-infected patients, a one-month regimen of rifapentine and isoniazid is noninferior to nine months of isoniazid alone for preventing tuberculosis, according to a study published in the March 14 issue ...

Neuroscience

Mice offer a window into sleep's role in memory

Sleep provides essential support for learning and memory, but scientists do not fully understand how that process works on a molecular level. What happens to synapses, the connections between neurons, during sleep that helps ...

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