Health

A high-fiber diet may reduce risk of dementia

We're always hearing that we should eat more fiber. It's known to be vitally important for a healthy digestive system and also has cardiovascular benefits like reduced cholesterol. Now, evidence is emerging that fiber is ...

Health

How much fiber should you eat?

It's a muggy morning in late August in Durham, N.C.—the temperature has already hit 85 degrees by 9 a.m.—and Jeff Letourneau is headed into the woods. The Ph.D. student in Duke's Department of Molecular Genetics and Microbiology ...

Diabetes

Diabetes drug impacts gut microbiome

Acarbose, a drug commonly used to treat type II diabetes, can change the gut microbiome in a reversible and diet-dependent manner, according to new research published in the journal mSphere. The findings highlight the importance ...

Neuroscience

In just six months, exercise may help those with thinking problems

Getting the heart pumping with aerobic exercise, like walking or cycling for 35 minutes three times a week, may improve thinking skills in older adults with cognitive impairments, according to a study published in the December ...

Immunology

Dietary fiber reduces brain inflammation during aging

As mammals age, immune cells in the brain known as microglia become chronically inflamed. In this state, they produce chemicals known to impair cognitive and motor function. That's one explanation for why memory fades and ...

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